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how to strenghen the heart low cardiac output

A 29-year-old female asked:
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 ... Read More

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A 47-year-old male asked:
Dr. Joshua Buckler
18 years experience in Cardiology
Can: Low protein due to protein loss, malnutrition, or breakdown of protein is common amongst many chronic diseases, heart failure included. Treat your hea ... Read More
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A 45-year-old member asked:
Dr. Louis Grenzer
54 years experience in Cardiology
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
A 49-year-old member asked:
Dr. Louis Grenzer
54 years experience in Cardiology
About 4%: About 4% of the cardiac output goes to the heart muscle itself. That is the same either at rest or with exercise.
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A 47-year-old member asked:
Dr. Bennett Werner
43 years experience in Cardiology
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 53-year-old member asked:
Dr. Eric Stein
45 years experience in Interventional Radiology
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 43-year-old member asked:
Dr. Calvin Weisberger
50 years experience in Cardiology
Heart failure: Preload reduction lowers the filling pressure of the heart and the back pressure in the lungs causing shortness of breath. Afterload reduction lowers ... Read More
A 39-year-old member asked:
Dr. Calvin Weisberger
50 years experience in Cardiology
Blood pressure: Higher resistance for fixed co yields increased bp, vice versa. To keep BP constant, if co goes up, pr must go down.
A 46-year-old member asked:
Dr. Mary Efremov
42 years experience in Internal Medicine
Easy: Every heart beat produces blood flow into the aorta...The flow and pumped out amount of heart beat is the output. If the heart is working well, you h ... Read More
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A 56-year-old member asked:
Dr. Carlos Orrego
27 years experience in Cardiology
Cardiac reserve: It is the difference between resting and maximum cardiac output, so 4 L/min
A 73-year-old female asked:
Dr. Warren Foster
19 years experience in Cardiac Electrophysiology
Stress reduction: If the high heart rate is really due to stress reduction, and you don't have an abnormal arrhythmia which can also be induced by stress hormones, then ... Read More
A 53-year-old member asked:
Dr. Richard Humes
40 years experience in Pediatric Cardiology
Circular question: By itself, a high heart rate will result in higher oxygen demand and utilization, but delivery should also increase to compensate. So everything shoul ... Read More
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3 thanks
A 46-year-old member asked:
Dr. Louis Grenzer
54 years experience in Cardiology
Increases: The cardiac output normally increases with exercise.
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A 42-year-old member asked:
Dr. Sergio Schabelman
47 years experience in Cardiology
Exercise increase CO: Exercise increases cardiac output as it usually increases both heart rate(hr) and stroke volume (sv) (amount of blood ejected by the heart in each be ... Read More
A 48-year-old member asked:
Dr. Shoaib Shafique
33 years experience in Vascular Surgery
Decrease: In coronary perfusion pressure due to shortened diastole. Oxygen demand is increased but perfusion may not keep up if there is narrowing of coronary a ... Read More
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A 50-year-old member asked:
Dr. Rajat Jhanjee
19 years experience in Cardiology
Related: Cardiac output is the amount of blood pumped out by heart in each minute (typically around five liters per minute). Ejection fraction is the fraction ... Read More
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13 thanks
A 38-year-old member asked:
Dr. Payam Mehranpour
22 years experience in Cardiology
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 37-year-old member asked:
Dr. Gurmukh Singh
48 years experience in Pathology
Lack of blood supply: Coronary arteries supply blood to the heart muscle. Disease of arteries often leads to blockage of blood flow. Lack of blood supply causes death of ... Read More
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1 thank
A 41-year-old member asked:
Dr. Carlos Orrego
27 years experience in Cardiology
Exercise: The only way is exercising so your heart can be more efficient . When you exercise your cardiac reserve and stroke volume increase.
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1 thank
A 40-year-old member asked:
Dr. Calvin Weisberger
50 years experience in Cardiology
Coronary disease: It suggests that the blood flow to the heart muscle is impaired and the heart function in consequence is negatively impacted thus decreasing the funct ... Read More
A 39-year-old member asked:
Dr. Rick Koch
Dr. Rick Koch answered
21 years experience in Cardiology
Anorexia : Leads to potentially significant metabolic disorders resulting sometimes in life threatening arrhythmia.

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