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HCT Chapter 11

Cardioversion Restoration of normal heart rhythm by electrical shock
Contract Shorten, reduce in size
Coronary Pertaining to the heart; coronary arteries supply blood to the heart muscle
Diastole Dilation of the heart; resting phase or filling of the ventricles, alternating with systole
Infarction An area of tissue death (necrosis) caused by loss of oxygen (ischemia) as a result of obstruction of circulation to the area
Pulmonary circulation Carrying venous blood from the right ventricle to the lungs and returning oxygenated blood to the left atrium of the heart
Rate Expression of speed or frequency of an event in relation to a specified amount of time; number of contractions of the heart per minute
Rhythm Measured movement; recurrence of an action or function at regular intervals; interval of heart contractions
Stenosis Narrowing or stricture of a duct or canal
Stethoscope Instrument used to listen to body sounds (auscultation), such as the heartbeat
Systemic circulation General circulation; carrying oxygenated blood from the left ventricle to tissues of the body and returning the venous blood to the right atrium of the heart
Systole Filling of the atria and contraction of the ventricles of the heart, alternating with diastole
Vessel Any one of many tubules in the body that carry fluid
Created by: mrsdancona