Cardiac cycle — Flashcards

Increased RV ejection time during inspiration causes delayed closure of the _____ valve (normal splitting)

The normal heart sound _____ is loudest at the left upper sternal border

The y descent on jugular venous pulse corresponds to _____

What is the approximate normal pressure in the left ventricle (systolic and diastolic)? _____

Conduction velocity is increased when the space (length) constant is _____

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

Phase 4 of the SA node action potential is caused by a slow, mixed Na+/K+ inward current via _____ channels

The heart sound _____ may be audible during isovolumetric relaxation

Blood flows continuously through the cardiac cycle in all organs except the _____

The _____ refractory period refers to the period in which a second action potential is possible, but requires a greater-than-normal stimulus