Class notes
Pathophysiology & Pharmacology: Gas Exchange
- Course
- NURS 232
- Institution
- St. Francis Xavier University (STFX )
Simple and easy to read notes summarizing the key points of gas exchange for those crazy Patho exams!
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Hypoxemia Ventilation-Perfusion (V/Q)↳ Pa02 in arterial blood
= blocked ventilation
Shunt/Q (very low)
S
·
(chemoreceptors respond to CO2 levels)
↳
COPD responds to 02 levels
I
·
Low /Q =
impaired ventilation
Orthoped
·
High/Q perfusion =
issue
↳
SOB when lying flat
Cheyne
↳
Stokes
(end of life) COPD
abnormal breathing pattern
'
Kussmaul ·
use muscles at rest
accessory
↳ deep labouredbreathing a
Hypoxemia , Hypoxia , Hypercaphia
·
Barrel Chest 14 A-P diameter)
, leukocytosis)
breath sounds
·
Infl resp (fever
. .
·
cyanosis
·
Finger clubbing prolonged expiration (FV)
·
-Mental
·
·
ABGA
status
Hyperinflatedavelem
S
↑
Pneumonia
Epinephrine ·
Fatigue
adrenergic 32 agonist
Dyspnea/Tachype
a
·
vasodilation I bronchodilation
↳ .
anaphylaxis (SABA) · 02 = RR respond t
·
⑳
(Albuterol [Ventolin]) -
infljr
.
-
Anticholinergies
Take time Not
inflamed alveoli filled
Asthma ↑
emergency nexudate
S
·
;
Ipratropium [Atrovent] wheezing 4RR
+
*
·
&
·
Dyspnea/coughing
·
Chest tightness
Corticosteroids ·
4 sputum production
↓infl in
air ways
·
.
long-term most-effective)
Hypersensitivity rxn
·
·
psychosis fungal inf., AIDS
, ,
TB
*
fluticasone Florent] bronchospasm
↓
airway limitation
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