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What is the percentage of cardiac output delivered to the heart

A 40-year-old member asked:
Dr. Louis Grenzer
Cardiology 55 years experience
About 4%: About 4% of the cardiac output goes to the heart muscle itself. That is the same either at rest or with exercise.
Dr. Calvin Weisberger
Cardiology 51 years experience
Cardiac output: The major organs get about 80% of the total co. The percent each gets varies depending on the dynamics going on. As the heart can vary its resistance ... Read More

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A 37-year-old member asked:
Dr. Louis Grenzer
Cardiology 55 years experience
Two ways: Either by pumping out more blood with each beat (by squeezing harder) or by beating faster. The output is the heart rate times the stroke volume. (the... Read More
Dr. Howard Rubin
Cardiology 47 years experience
Cardiac output: This is a product of stroke volume or cc's of blood per beat times the heart rate so cardiac output increases with either an increase in stroke volume... Read More
A 33-year-old member asked:
Dr. Charles Glassman
Internal Medicine 36 years experience
Cardiac Output: Cardiac output equals stroke volume x heart rate. That means if the heart rate goes up the cardiac output will go up. The stroke volume is how much th... Read More
A 24-year-old female asked:
Dr. Matt Wachsman
Internal Medicine 36 years experience
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... Read More
A 31-year-old member asked:
Dr. Payam Mehranpour
Cardiology 23 years experience
Hormonal +/- nervous: The transplanted heart responds to hormonal changes. There is also some evidence that the transplanted heart may have some sympathetic re-innervation ... Read More
A 34-year-old member asked:
Dr. Bennett Werner
Cardiology 44 years experience
Echo: Echo is the simplest, easiest, cheapest, fastest way to determine the heart's strength ("ejection fraction"). Cardiac output, which is the product of ... Read More
A 41-year-old member asked:
Dr. Bennett Werner
Cardiology 44 years experience
SVxHR=CO: You can count your heart rate by taking your pulse. That's the easy part. To get SV, you can do an echo to estimate it or do a right heart catheteriza... Read More
A 43-year-old member asked:
Dr. Sergio Schabelman
Cardiology 48 years experience
Not with that data: Cardiac output is the product of heart rate by stroke volume (amount of blood the heart sends to the body with each heart beat). You do not have that ... Read More
A 47-year-old member asked:
Dr. Eric Stein
Interventional Radiology 46 years experience
All increase: Exercise causes an increased demand for blood flow to provide oxygen to the muscles doing the work. This is accomplished by increase in heart rate an... Read More
A 39-year-old member asked:
Dr. Devon Webster
Medical Oncology 22 years experience
Swelling: The left side of the heart pumps blood throughout your body. When it fails, it decreases blood flow to organs. This can cause kidney injury, liver in... Read More

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