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ekg terms

ekg basic terms

QuestionAnswer
amplitude abundance,amount,extent,fullness,or size
aneurysm weakening and dilation of an artery
angina left-sised,chest pains brought on by exertion
angioplasty balloon on cardiac catheter inflated to compress plaque against artery walls
anterior toward the front
apex pointed end of the ventricles
arrhythmia absence of rhythm
arteriosclerosis arterial hardening caused by the buildup of atherosclerotic plaque
artifact appearance of electrical activity or waveforms from sources outside the heart.
asystole absence of cardiac activity, cardiac standstill, with systole
atherosclerosis buildup of plaque in the arteries over a period of years.
atrium right or left uper chamber of the heart.
augmented lead unipolar lead, one positive electrode, has very low voltage
automaticity ability of the heart to initiate and maintain rhythm without the nervous system
bradycardia heart rate below 60
cardiac cath catheter threaded in major artery back to heart through aorta
cardiomegaly enlarged heart
cardiomyopathy diseases of the myocardium
conduction system wiring that initiates and maintain contraction of myocardium
conductivity ability of cardiac cell to transfer impulses to the next cell.
contractility ability of the heart muscle to shorten or reduce in size
coronary artery bypass ischemia or obstruction in the coronary arteries is bypasses with a graft of a vessel
depolarization condition in which the cardiac cell environment becomes positive
diastole period of ventricualr relaxation
dysrhythmia abnormal, irregular, or disturbed heart rhythm
ejection fraction measurement of the fraction of the total amount of blood filling the ventricle that is ejected during the ventricular contraction
endocarditis inflammation of the endocardium
embolism embolus moving through the vascular system becomes lodged in a vessel
excitability response of cardiac cells to electrical stmulus
Created by: anewkirk