Valvular Disease And Heart Failure Flashcards
1
Q
Define:
Cardiac output
Ejection fraction
Stroke volume
A
Amount of blood pumped out of heart pm
% of blood ejected by ventricles with each contraction
Blood pumped out per contraction
2
Q
How do you calculate:
Stroke volume
Cardiac output
Ejection fraction
A
End-diastolic - end-systolic vol
Stroke volume x heart rate
End-diastolic - end-systolic / end-diastolic x 100
3
Q
How do you diagnose infective endocarditis?
A
Dukes criteria:
+ blood culture
Echocardiogram showing vegetations/abscess
Fever
IV drug user
4
Q
What are the complications of infective endocarditis?
A
Embolie phenomena
Stroke
5
Q
What valves are most affected in IV drug users?
Why are they more prone?
A
Right sided valves due to the venous use
Breaking skin and non-sterile needles
