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Samenvatting pathologische biochemie en fysiologie van de huisdieren - 16/20 behaald $11.35   Add to cart

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Samenvatting pathologische biochemie en fysiologie van de huisdieren - 16/20 behaald

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uitgebreide en duidelijke samenvatting van het vak pathologische biochemie en fysiologie van de huisdieren, gegeven door professor Leroy. Samenvatting bevat de lessen en de slides. Ik heb hier zelf een 16/20 mee behaald.

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  • October 25, 2023
  • 109
  • 2022/2023
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PATHOLOGISCHE BIOCHEMIE EN
FYSIOLOGIE VAN DE HUISDIEREN
Algemene inleiding........................................................................................................................................ 6
Wat is normaal?....................................................................................................................................................6
Terminologie:....................................................................................................................................................7
Precisie van de meting..........................................................................................................................................7
Accuraatheid/ validiteit:.......................................................................................................................................7
Diagnosestelling....................................................................................................................................................8
Klinisch redeneren.................................................................................................................................................9
Belangrijke termen................................................................................................................................................9

Waterhuishouding....................................................................................................................................... 10
Algemene inleiding..............................................................................................................................................10
Waterverdeling................................................................................................................................................10
Metingen van/ in lichaamsvochten.................................................................................................................10
Osmolariteit.................................................................................................................................................10
Osmolaliteit.................................................................................................................................................10
Osmose........................................................................................................................................................10
Membraansturctuen...................................................................................................................................10
Samenstelling lichaamsvochten......................................................................................................................11
Algemeen.........................................................................................................................................................11
Regelmechanismen lichaamsvochten.............................................................................................................12
Algemeen.....................................................................................................................................................12
ANP/BNP......................................................................................................................................................12
Lis van Henle – concentratiegradiënt..........................................................................................................13
Waterbalans....................................................................................................................................................13
Aanvoer.......................................................................................................................................................13
Verlies..........................................................................................................................................................13
Normale wateropname...............................................................................................................................13
Storingen in waterhuishouding...........................................................................................................................14
Waterintoxicatie..............................................................................................................................................14
Hypotone hyperhydratatie..............................................................................................................................14
Etiologie.......................................................................................................................................................14
Pathogenese: plasmaverdunning................................................................................................................14
Symptomen.................................................................................................................................................14
Diagnose......................................................................................................................................................15
Differentiaal diagnose.................................................................................................................................15
Prognose......................................................................................................................................................15
Therapie.......................................................................................................................................................16
Isotone of hypertone hyperhydratatie............................................................................................................16
Oedeem...........................................................................................................................................................18
4 belangrijke oorzaken/ mechanismen.......................................................................................................18
Algemeen.....................................................................................................................................................20
Etiologie.......................................................................................................................................................20
Symptomen.................................................................................................................................................20
Diagnose......................................................................................................................................................20

1

, Behandeling.................................................................................................................................................20
Dehydratatie....................................................................................................................................................22
Hypertone dehydratatie..............................................................................................................................22
Isotone dehydratatie...................................................................................................................................25
Hypotone dehydratatie...............................................................................................................................28
Hoe een oplossing isotoon maken?............................................................................................................28
Hoeveelheid vocht.......................................................................................................................................29

Zuur-base evenwicht.................................................................................................................................... 30
Algemene inleiding..............................................................................................................................................30
Buffers.............................................................................................................................................................30
Zuren vs basen.............................................................................................................................................30
Bufferwaarde...............................................................................................................................................30
dissociatieconstante Ka...............................................................................................................................30
buffers.........................................................................................................................................................31
Praktisch voorbeeld.....................................................................................................................................31
Eiwitten als buffer.......................................................................................................................................32
Regelmechanismen op orgaanniveau.............................................................................................................32
Respiratorische regeling..............................................................................................................................32
Renale regeling............................................................................................................................................33
Cellulaire regeling........................................................................................................................................36
Overzicht pH regeling..................................................................................................................................36
Gevolgen van verstoorde zuur/ basis balans..............................................................................................36
Afwijkingen van het zuur-base evenwicht..........................................................................................................37
Respiratoire acidose........................................................................................................................................37
Etiologie.......................................................................................................................................................37
Pathogenese................................................................................................................................................37
Symptomen.................................................................................................................................................37
Behandeling.................................................................................................................................................37
Metabole acidose............................................................................................................................................38
Etiologie.......................................................................................................................................................38
Symptomen.................................................................................................................................................39
Therapie.......................................................................................................................................................39
Respriratoire alkalose......................................................................................................................................40
Etiologie.......................................................................................................................................................40
Pathogenese................................................................................................................................................40
Symptomen.................................................................................................................................................40
Diagnose......................................................................................................................................................40
Behandeling.................................................................................................................................................40
Metabole alkalose...........................................................................................................................................41
Etiologie.......................................................................................................................................................41
Pathogenese................................................................................................................................................41
Symptomen.................................................................................................................................................41
Diagnose......................................................................................................................................................41
Behandeling.................................................................................................................................................41
Gemengde zuur-base stoornissen...................................................................................................................42
Samenvattende tabel..................................................................................................................................42
Bepalen van zuur-base status van het bloed......................................................................................................44
Parameters......................................................................................................................................................44
Bloedanalyse...................................................................................................................................................44
Voorbeeld: figuur 1.....................................................................................................................................44
Voorbeeld figuur 3:.....................................................................................................................................45
Diagram bloedanalyse.................................................................................................................................45
Anion gap.........................................................................................................................................................46
strong ion theory.............................................................................................................................................46


2

, Dieetfactoren...................................................................................................................................................46

Vet- en koolhydraatstofwisseling................................................................................................................. 47
Algemeen............................................................................................................................................................47
Vetstofwisseling..................................................................................................................................................47
Vetzuren & lipiden...........................................................................................................................................47
Vetzuren – chemische reacties...................................................................................................................47
Vertering en absorptie van lipiden..................................................................................................................47
Darmlumen..................................................................................................................................................47
Mucosacel...................................................................................................................................................47
Mucosacel...................................................................................................................................................47
In de circulatie.............................................................................................................................................48
In de lever....................................................................................................................................................48
In de vetcel..................................................................................................................................................48
Metabolisme van vet in het lichaam...............................................................................................................49
Vluchtige vetzuren.......................................................................................................................................49
Andere vetzuren..........................................................................................................................................49
Lipoproteïnen..............................................................................................................................................49
Afwijkingen in het vetmetabolisme................................................................................................................50
Steatorrhee.................................................................................................................................................50
Adipositas....................................................................................................................................................50
Equine metabool syndroom........................................................................................................................52
Hyperlipaemie: ponys en paarden..............................................................................................................54
Laag melkvetgehalte...................................................................................................................................56
Ketonemie bij herkauwers..........................................................................................................................57
Fat cow syndrome.......................................................................................................................................62
Drachtigheidstoxomie bij schaap................................................................................................................66
Koolhydraatstofwisseling....................................................................................................................................68
Koolhydraten...................................................................................................................................................68
Resorptie.........................................................................................................................................................68
Niet-herkauwers: paard..............................................................................................................................68
Herkauwers.................................................................................................................................................68
Storingen in de koolhydraatresorptie.............................................................................................................68
resorptie testen...........................................................................................................................................68
Glucosestofwisseling...................................................................................................................................70
Hormonmale regeling van het KHD metabolisme..........................................................................................71
Insuline........................................................................................................................................................71
Glucagon......................................................................................................................................................71
Catecholamines...........................................................................................................................................71
Glucocorticoïden.........................................................................................................................................71
Afwijkingen in het KHD metabolisme.............................................................................................................72
Hyperglycemie – diabetes mellitus.............................................................................................................72
Hypoglycemie..............................................................................................................................................77

Eiwitstofwisseling........................................................................................................................................ 79
Eiwitstofwisseling & N-eliminatie.......................................................................................................................79
Algemeen.........................................................................................................................................................79
Synthese..........................................................................................................................................................79
Resorptie.........................................................................................................................................................79
Katabolisme van eiwit & N-uitscheiding.........................................................................................................79
Lichaams- en serumeiwitten...............................................................................................................................84
Plasmaeiwitten................................................................................................................................................84
Storingen van plasmaproteïne-homeostase...............................................................................................84
Serumeiwitten.................................................................................................................................................86


3

, Enzymologie........................................................................................................................................................86
Functie.............................................................................................................................................................86

Mineralen.................................................................................................................................................... 88
Algemeen............................................................................................................................................................88
Kalium.................................................................................................................................................................88
Huishouding.....................................................................................................................................................88
Opname.......................................................................................................................................................88
Behoefte......................................................................................................................................................88
K+ in de darm..............................................................................................................................................88
K+ in de nier.................................................................................................................................................89
Regeling.......................................................................................................................................................89
Afwijkingen in K+ huishouding........................................................................................................................90
Hypokaliaemie.............................................................................................................................................90
Hyperkaliaemie............................................................................................................................................91
Calcium................................................................................................................................................................93
Voorkomen en functies...................................................................................................................................93
Ca-concentratie in het plasma....................................................................................................................93
Ca-concentratie in het ECW........................................................................................................................93
Ca-concentratie in de cel.............................................................................................................................93
Relatie Ca & P..............................................................................................................................................93
Relatie Ca & H+............................................................................................................................................93
Invloed van Ca op de celmembraan............................................................................................................94
Ca & celactivatie: contractie.......................................................................................................................94
Rol van Ca in andere cellen.........................................................................................................................94
Regeling van Calcemie.....................................................................................................................................95
Passieve regeling.........................................................................................................................................95
Actieve regeling...........................................................................................................................................96
Afwijkingen in de Ca-huishouding...................................................................................................................97
hypocalciemie..............................................................................................................................................97
Hypercalcemie...........................................................................................................................................102
Fosfor................................................................................................................................................................103
Functies.........................................................................................................................................................103
Afvoer............................................................................................................................................................103
Regeling P gehalte.........................................................................................................................................103
Afwijkingen in P metabolisme.......................................................................................................................104
Bij chronisch té lage opname....................................................................................................................104
Postparturiënt hemoglobinurie................................................................................................................104
Hyperfosfatemie........................................................................................................................................104
Magnesium.......................................................................................................................................................105
Voorkomen & functie....................................................................................................................................105
Regeling van Mg huishouding.......................................................................................................................105
Afwijkingen van Mg huishouding..................................................................................................................105
Hypomagnesemie......................................................................................................................................105
Ijzer....................................................................................................................................................................107
Voorkomen & functie....................................................................................................................................107
Afwijkingen in Fe huishouding......................................................................................................................107
Tekort........................................................................................................................................................107
Toxiciteit....................................................................................................................................................107
Biologisch belang...........................................................................................................................................107
transferrine................................................................................................................................................107
Zink....................................................................................................................................................................108
Zinktekort......................................................................................................................................................108


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