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Doctor insights on: What Is Normal Heart Function Percentage

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Dr. Andrea Brand
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Just a general question. Can the left side of your heart be smaller than the right. Assuming thickness, and the heart function is normal?

Just a general question. Can the left side of your heart be smaller than the right. Assuming thickness, and the heart function is normal?

Shouldn't be: Outside of a short period late in gestation, the left heart should always be bigger than the right. Any deviation from that is considered abnormal and should be investigated, as it may reflect a malformation, valvular heart disease, heart muscle injury or failure or significant pulmonary disease. ...Read more

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What percentage is good heart function?

What percentage is good heart function?

Normal is 65%: A way of defining heart function is the ejection fraction (ef). This is the percentage of blood pumped out of the heart with a heart beat. So if full heart had 100ml of blood then it it pumped out 65ml that would be ef 65%. Good can be hard to define. Many people can function fine with an ef down to 35-40% and medical management. If it gets below 25% then we would define that as heart failure. ...Read more

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Im courious what heart rate variation in percentage could be considered as normal during a 4 minutes measurement at rest?

Im courious what heart rate variation in percentage could be considered as normal during a 4 minutes measurement at rest?

Depends: It does depend a bit on age, but in general there is data that suggest at rest there is less than a 10 beat per min variation at rest, which approximates out to around 12%. Again this varies on age, medications being taken and underlying disease that one might be afflicted with. Hope this helps. ...Read more

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I have one papvr and nothing else. Can this lead to right heart failure? My rv is, mildly enlarged, but the function, and flow is normal. Lv normal.help

I have one papvr and nothing else. Can this lead to right heart failure? My rv is, mildly enlarged, but the function, and flow is normal. Lv normal.help

PAPVR: In adulthood, no symptoms & no additional abnormalities do not require treatment. The amt of physiologic abn in turn determine severity of symptoms. Ur likelihood of developing PHTN/RH failure is dependent on degree of the shunt - >1.5-2.0. Generally if the RV is dilated that is indicative of increased RH volume and a shunt >1.5. What studies were performed? ...Read more

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Is tachycardia cardiomyopathy curable? Can meds be stopped once heart function and heart size return to normal?

Is tachycardia cardiomyopathy curable? Can meds be stopped once heart function and heart size return to normal?

Unclear : Yes, heart size and function grossly can return to normal in cases of tachycardia induced cardiomyopathy. Coreg, ace inhibitor +/- aldactone can effect remodeling and normalization. However, it is not well known if stopping meds will cause reversion of positive gains. Having said that, u and your cardiologist ought to try and have close follow up. ...Read more

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Would one papvr with no other abnormalities in the heart lead to right heart failure? My rv enlarged but normal function and, pressure. Lv normal too.

Would one papvr with no other abnormalities in the heart lead to right heart failure? My rv enlarged but normal function and, pressure. Lv normal too.

It is possible: You have elevated pulmonary vascular resistance. Though your RV function is normal it is enlarged. You may want to find out why you pulmonary vascular resistance is elevated. Do you have have a condition that is increasing your pulmonary blood flow? Are you having silent pulmonary embolism that is decreasing the size of your pulmonary vascular bed? Both conditions can raise your pulmonary vascular ...Read more

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Should i worry about my heart at age 28? Normal ekgs( just shows fast heartrate), normal echo shows normal function, stress test good, blood work good?

Should i worry about my heart at age 28? Normal ekgs( just shows fast heartrate), normal echo shows normal function, stress test good, blood work good?

Exercise ; eat well: Sounds like your heart is in good shape from your tests. Prevention is always the best. Exercise regularly and eat a healthy diet (low fat, low cholesterol) to prevent any heart problems in the future. Some people have heart attacks at an early age. Genetics, poor diet, and lack of exercise often play a role. ...Read more

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My daughter in law went for a 33 week sonogram of her baby's heart due to a previous child's heart defect (from a previous marriage). Showed enlarged Heart, but all function and formation of the heart normal. Should they be concerned?

My daughter in law went for a 33 week sonogram of her baby's heart due to a previous child's heart defect (from a previous marriage).  Showed enlarged Heart, but all function and formation of the heart normal.  Should they be concerned?

Contradictory: If the baby's heart is significantly enlarged, then the formation of the heart isn't entirely normal. Perhaps her OB means that, while the baby's heart is enlarged, the structure is otherwise normal. The question of concern should be addressed with your daughter-in-law's obstetrician. Serial sonograms may be indicated to follow the development of the baby's heart. ...Read more

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Dr. Andrea Brand
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