Pathophysiology 606 Q&A
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,Pathophysiology 606 Q&A.pdf
Please define the resting heart rate.
~70/min
What factors can influence the stroke volume?
Preload, afterload and myocardial contractility
What is the backward sign of the left ventricular
failure?
Pulmonary congestion
What type of heart failure is caused by beri-beri or
anemia?
High-output cardiac failure (Hyperdynamic circulatory
failure)
,Pathophysiology 606 Q&A.pdf
Please characterize the resting cardiac output in
anemia.
It is significantly higher than 5 liters/min.
What form of classification is used in heart failure?
NYHA (New York Heart Association)
Please name two examples of peripheral circulatory
failure.
Syncope, circulatory shock
How does the heart rate change, in heart failure,
during exercise?
It increases rapidly
, Pathophysiology 606 Q&A.pdf
Please define preload.
The rate of venous return
Please define ejection fraction (EF) and its normal
value.
It is a ratio of the stroke volume and the end-diastolic
volume. Normal range 55-70%
To which phase of the cardiac cycle can we associate
an efficient coronary perfusion?
Diastole
What factor determines the afterload?
Total peripheral resistance