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ECG Final Exam Questions and Answers
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ECG Final Exam Questions and Answers
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ECG Final Exam Questions and AnswersWhat iiis iian iiECG
electrocardiogram, iiit iirecords iithe iielectrical iiactivity iiof iithe iiheart
pulmonary iicirculation
Deoxygenated iiblood iienters iithe iiright iiatrium iifrom iithe iisuperior iiand iiinferior
iivena iicava
Blood iipasses iithrough iithe iitricuspid iivalve iito iithe iiright iiventricle
Pumps iiblood iithrough iithe iipulmonary iisemilunar iivalve iiinto iithe iipulmonary
iiartery iiand iithen iito iithe iilungs
Pulmonary iiveins iitransport iioxygenated iiblood iito iithe iileft iiatrium
systemic iicirculation
Oxygenated iiblood iienters iithe iileft iiatrium iiand iigoes iithrough iithe iimitral iivalve
iiinto iithe iileft iiventricle
Left iiventricle iipumps iiblood iithrough iithe iiaortic iisemilunar iivalve iito iithe iiaorta
Blood iicirculates iithroughout iithebody
Deoxygenated iiblood iifrom iithe iibody iireturns iito iithe iiheart iivia iithe iisuperior iiand
iiinferior iivena iicava
cornary iicirculation
Oxygenated iiblood iitravels iifrom iileft iiventricle iitothe iiaorta iiand iithen iito iithe
iicoronary iiarteries
Deoxygenated iiblood iireturns iito iithe iiright iiatriumvia iithe iicardiac iiveins iiand
iicoronary iisinus
Diastole
Relaxation iiof iithe iiheart ii(semilunar iivalves iiare iiclosed iiand iiAV iivalves iiare iiopen,
iithe iiventricles iiget iifilled)
Systole
,Contraction iiof iithe iiheart ii(mitral iiand iitricuspid iivalves iiare iiopen iito iipump iiblood
iiout iiof iiventricles)
Automaticity
The iiability iiof iithe iiheart iito iigenerate iiand iiconduct iielectrical iiimpulses iion iiits
iiown.
Conductivity
hearts iiability iito iirecive iiand iiconduct iielectrical iiimpulses
contractility
hearts iiability iito iishorten iiin iiresponse iito iielectrical iiimpulse
Exicitabilty
Hearts iiability iito iirespond iito iian iiimpulse
parasympathetic iinervous iisystem
rest iiand iidigest ii(acetylcholine)
sympathetic iinervous iisystem
fight iior iiflight ii(norepinphrine)
Pathway iifor iiconduction
SA iinode
Internodal iipathways ii(Bachmans iiBundle)
AV iinode
Bindle iiof iiHis
Bundle iiBranches ii(depolarization)
Purkinje iifibres
What iiis iiknown iias iithe iipace iimaker iiof iithe iiheart
SA iinode
, Why iidoe iisthe iiAV iinode iicause iia iidelay
To iiallow iifor iimore iiblood iito iitravel iito iithe iiventricles
Depolarization
Heart iiloses iinegativiety, iicauses iiheart iito iicontract, iimost iiimporatant iielectrical
iievent
Occurs iiin iibundle iibranches
Repolarization
Cellular iirecovery, iiheart iirelaxes, iiallows iifor iichamber iito iibecome iirefilled
Limb iilead iicolours
LA-black
RA-white
LL-red
RL-green
Chest iilead iicolours
V1- iired
V2-yellow
V3-green
V4-blue
V5-orange
V6-purple
What iiare iithe iibiploar iileads
Lead iiI,II,III
What iileads iiare iiunipolar
aVR, iiaVL, iiaVF, iiV1-V6
Einthoven's iitriangle
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