Electrocardiography

Depolarization of atria just before they contract

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Terms in this set (12)

Depolarization of atria just before they contract

Depolarization of ventricles just before they contract

Repolarization of ventricles

Atrial repolarization hidden by _____ _____

Abnormalities in shape or timing of waves signal problems with _____ or _____ _____

conduction, myocardial infraction

In a healthy heart, atria and ventricles alternate cycles of _____ (contraction) and _____ (relaxation)

systole , diastole

Terms systole and diastole generally refer to
_____ unless otherwise specified

_____ _____: one complete heartbeat

3 periods of the cardiac cycle include: ___-___-___ _____, _____ _____, _____ _____

mid-to-late diastole, ventricular systole, early diastole

During mid-to-late diastole, pressure in the heart is _____. Blood flows from _____ passively into the _____ and into the _____. During mid-to-late diastole, semilunar valves are _____ and atrioventricular valves are _____. Atria then _____ and force blood into the ventricles.

low, veins, atria, ventricles, closed, open, contract