Ventricular ejection physiology — Flashcards

10 flashcards

How do aortic and ventricular pressure change during reduced ventricular ejection?_____

_____ is the fourth phase of a cardiac cycle and represents the period just after mitral valve opening

_____ is the third phase of a cardiac cycle and represents the period between aortic valve closing and mitral valve opening

The abnormal heart sound _____ may be audible during rapid ventricular filling (early diastole)

Which phase of the cardiac cycle (systole or diastole) is preferentially shortened with increased heart rate? _____

Cardiac contractility correlates directly with intracellular _____ concentration

Where in the heart is conduction velocity the slowest? _____

During rapid ventricular ejection, the ventricular pressure becomes greater than aortic pressure and the _____ valve opens

Inspiration delays closure of the _____ valve which causes splitting of the S2 heart sound

#10

What phase of the cardiac cycle begins during the QRS complex on ECG? _____

Hint: specific

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