A 29-year-old female asked:
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What happens to cardiac output and after load when when heart rate is low? does it increase because high heart rate causes decrease in CO

1 doctor answer
Dr. Matt Wachsman
35 years experience in Internal Medicine
Varies.: BUT in a young healthy person, generally the heart rate is low because the heart is efficiently pumping and the cardiac output is good. Generally, (in normals), increasing the heart rate increases pumping and cardiac output.
Answered on Oct 12, 2015

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