the percentage of blood which is ejected from the ventricle with each contraction.
Calculated by dividing the stroke volume by the end diastolic volume. N
Normal EF is 55-65% and is used as a parameter to measure cardiac function.
The EF decreases in systolic heart failure.
ejection fraction
The EF decreases in _____ heart failure.
systolic
Explain the cardiac structure and blood flow through chambers/valves.
The right atrium receives ______ blood from the body.
deoxygenated
Explain the cardiac structure and blood flow through chambers/valves.
Blood travels from the right atrium, through the ______ valve, to the right
, ventricle. From the right ventricle, blood travels through the _____ valve and into
the ____ artery
tricuspid, pulmonic, pulmonary
Explain the cardiac structure and blood flow through chambers/valves.
T/F The pulmonary artery is the only artery in the body that carries
DEOXYGENATED blood, into the lungs, where it goes to the alveoli and gas
exchange occurs
True
Explain the cardiac structure and blood flow through chambers/valves.
The oxygenated blood then enters the _____ vein and is delivered to the _____
_____
pulmonary, left atrium
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