Pulmonary HTN Flashcards
1
Q
what is it?
A
increased resistance and pressure of blood in the pulmonary arteries which causes strain on the R side of the heart
also causes a back pressure of blood into the systemic venous system
2
Q
causes?
A
usually split into 5 groups. primary pulmonary HTN lupus left heart failure COPD PE sarcoidosis glycogen storage disease haematological disorders
3
Q
clinical features?
A
SOB tachycardia peripheral oedema raised JVP hepatomegaly
4
Q
investigations?
A
ECG
CXR
5
Q
CXR changes?
A
dilated pulmonary arteries
right ventricular hypertrophy
6
Q
ECG changes?
A
right ventricular hypertrophy
right axis deviation
RBBB
7
Q
management?
A
IV prostanoids (e.g. epoprostenol)
Endothelin receptor antagonists (e.g. macitentan)
Phosphodiesterase-5 inhibitors (e.g. sildenafil)
treat underlying causes
montior for complications
