Pulmonary hypertension Flashcards
1
Q
What is pulmonary hypertension?
A
An increase in pressure from the RV to lung
2
Q
Where can the pathology for PH be?
A
Anywhere between RH and LH eg aortic stenosis
3
Q
What are the four classifications, with examples
A
- Pulmonary arterial hypertension - Collagen vascular diseases, idiopathic, familial
- Pulmonary venous hypertension - Mitral stenosis/regurg. Aortic stenosis/regurg
- Hypoxemia disorders - COPD, interstitial lung disease - increase resistance in the lung
- Emboli - PE - Increases resistance in the lung
4
Q
What are the symptoms of PH?
A
Generic - SOB, palpatations, fatigue, dysopnea, syncope
5
Q
What are some signs of PH?
A
RAD
RBB
6
Q
What is the culmination of all the symptoms?
A
RHF
7
Q
What is the pathophysiology of PH?
A
Vasoconstriction and remodelling and increased platelet activation
8
Q
What is the treatment
A
Number of options:
Digoxin
Diuretics
Anticoag
Phosphodiesterase inhib (viagra)
Endothelial receptor antagonists
9
Q
What must the pressure in the PA be over to count as PH?
A
25mmhg
