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Doctor insights on: What Is The Percentage Of Cardiac Output Delivered To The Heart

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Dr. Cynthia Archer
916 doctors shared insights

Cardiac Output (Definition)

Cardiac output is a measurement of the amount of blood a person's heart can pump out during a set amount of time. The measurements help doctors figure out how strong or weak ...Read more


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How does the heart increase cardiac output?

How does the heart increase cardiac output?

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 or heart rate or both. ...Read more

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What is an abnormal heart rate that can impair cardiac output called?

What is an abnormal heart rate that can impair cardiac output called?

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 the heart pumps out with each contraction. That can go down if the heart rhythm is off like in atrial fibrillation. ...Read more

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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

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

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. ...Read more

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What to do if a transplanted heart has no nerve supply, how does the cardiac output of a transplanted heart increase and adapt to physiological changes?

What to do if a transplanted heart has no nerve supply, how does the cardiac output of a transplanted heart increase and adapt to physiological changes?

Hormonal +/- nervous: The transplanted heart responds to hormonal changes. There is also some evidence that the transplanted heart may have some sympathetic re-innervation and possibly conduction of signals from the old sinus node to the new heart. ...Read more

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What is main test for heart strength? Echo? What about the cardiac output?

What is main test for heart strength? Echo? What about the cardiac output?

Echocardiography: There are other modalities that can calculate "heart strength" (how well is the heart pumping blood) and cardiac output (how many liters of blood are pumped per minute) but the most accessible and non-invasive is an echo. By measuring the heart when full of blood and then when fully contracted you can estimate the effectiveness of the "squeeze" as well as the volume pumped. ...Read more

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How can I find stroke volume and heart rate given cardiac output equation?

How can I find stroke volume and heart rate given cardiac output equation?

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 catheterization and perform a thermodilution and Fick measurements. (That's how cardiologists obtain it), ...Read more

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What are the signs and symptoms of left sided heart failure associated with decreased cardiac output?

What are the signs and symptoms of left sided heart failure associated with decreased cardiac output?

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 injury, fatigue, shortness of breath with little exertion, swelling of the feet and legs, fluid build-up in the lungs, and difficulty sleeping flat due to shortness of breath. Medications and diet are important for this disease! ...Read more

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What are the signs and symptoms of left sided heart failure due associated with decreased cardiac output?

What are the signs and symptoms of left sided heart failure due associated with decreased cardiac output?

Congestion: Breathlessness, especially with exertion. Easy fatigability. Impaired exercise capacity. These are early signs. Without treatment, one becomes short of breath resting, especially when lying down (orthopnea) and at night (paroxysmal nocturnal dyspnea). Eventually the right heart also fails leading to swelling (edema), abdominal fluid (ascites and effusions), and cachexia (wasting). ...Read more

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I was wondering what would the cardiac output of a patient be, if his heart was beating 80 times per minute while pumping 70 m?

I was wondering what would the cardiac output of a patient be, if his heart was beating 80 times per minute while pumping 70 m?

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 info. ...Read more

Dr. Janice Alexander
5 doctors shared insights

Cardiac (Definition)

Cardiac translates literally to "heart, " and any place the term is seen, such ...Read more