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Details Title: NU 402 Nursing Science exam #3 Description: Heart Total Flash Cards: 7 Created: 11/02/2006 10:22:38	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term cardiac output Definition stroke volume x HR Term Pre-Load Definition preassure or tension (volume) in ventricle at end of diastole(resting period), inc. w/ inc. volume, inc. w/ventricle failure (inability to eject most of content) Term Afterload Definition amount of tension heart must pump against to eject volume (SVR-systemic vascular resistance, pulmonary vascular resistance) Term Ejection Fraction Definition % of ventricular volume ejected during systole (norm= 60-70%) Term Ejection Fraction Definition % of ventricular volume ejected during systole (norm= 60-70%) Term Heart Failure Definition inadequacy of the heart to pump blood throughout the body Term Congestive Heart Failure (CHF) Definition syndrome of pulmonary or systemic circulatory congestion causes from diseases: 1.dec. myocardial contractility 2. dec. hearts ability to accept adequate blood volume to meet body needs 3. Inc. cardiac workload (HTN, volume overload)