A person has an ejection fraction of 54% and an EDV of 130 mL. a) what is their stroke volume b) if they have a heart rate of 65 beats per minute, what is the cardiac output? c) If they increase their ED to 170 mL, what do you expect might happen to their ejection fraction (improve, stay the same or get worse)? Why- be complete in your answer.
A person has an ejection fraction of 54% and an EDV of 130 mL. a) what is their stroke volume b) if they have a heart rate of 65 beats per minute, what is the cardiac output? c) If they increase their ED to 170 mL, what do you expect might happen to their ejection fraction (improve, stay the same or get worse)? Why- be complete in your answer.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A person has an ejection fraction of 54% and an EDV of 130 mL.
a) what is their stroke volume
b) if they have a heart rate of 65 beats per minute, what is the cardiac output?
c) If they increase their ED to 170 mL, what do you expect might happen to their ejection fraction (improve, stay the same or get worse)? Why- be complete in your answer.
d) What law is this?
e) How might the EDV be increased? Give at least one mechanism in detail
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