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A 40-year-old member asked:

what is the difference between heart attack and heart failure?

2 doctor answers3 doctors weighed in
Dr. Luke Hermann
Emergency Medicine 25 years experience
Blocked artery: Heart attacks are almost always caused by a blockage in one of the arteries that supplies the heart. This stops the flow of blood (and oxygen) to that area of the heart and eventually the involved area of muscle dies. Heart failure is most often the result of several small or one large heart attack that affects enough muscle to keep the heart from being able to pump blood effectively.
Dr. Pareena Bilkoo
Cardiology 22 years experience
MI and CHF: Heart attack is basically a lack of blood flow to the heart muscle which if prolonged results in death of the heart muscle. Heart failure is an abnormal pump funtion of the heart. Where the heart in general doesn't pump blood out of the main chamber to the rest of the body, therefore the name heart failure.

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A 41-year-old member asked:

How does HDL cholesterol affect your chance of developing heart disease?

2 doctor answers6 doctors weighed in
Dr. James Strader
Cardiology 22 years experience
High HDL lowers risk: You want your HDL to be as high as possible. A high HDL lowers the risk for coronary artery disease and other forms of vascular disease. The best way to raise your HDL is regular aerobic exercise, ideally 150 minutes /week, spread over 4-5 days.
A 47-year-old member asked:

Does having a slow heart beat cause dizziness?

1 doctor answer1 doctor weighed in
Dr. William Goldie
Pediatric Neurology 48 years experience
Poor blood flow: The balance centers of the brain depend on good blood flow to the brain. If the heart is beating slowly or is not pumping enough blood into the brain, you will feel dizzy. First is to lie down so that the blood flow does not have to go uphill. Next is to lift the legs to be sure enough blood is getting into the heart. If the brain does not get enough blood flow, you can pass out and fall.
A 31-year-old member asked:

What type of exercise is best for the heart muscle?

1 doctor answer4 doctors weighed in
Dr. James Strader
Cardiology 22 years experience
Aerobic: The aha recommends 150 minutes / week of moderate aerobic activity spread over 4-6 days for optimal cardiovascular health.
A 32-year-old member asked:

Please tell me, could you explain me what's the difference between heart attack and heart failure?

1 doctor answer1 doctor weighed in
Dr. Calvin Weisberger
Cardiology 51 years experience
Heart attack: Heart attack is also called myocardial infarction. It is death of some amount of heart muscle caused by blockage of a heart artery and can result in sudden death. Heart failure is when the heart is not pumping adequately to supply the body's need for blood flow. It can be caused by heart attack or other abnormalities.
A 32-year-old member asked:

Could a specialist please explain to me what's the difference between heart attack and heart failure?

2 doctor answers5 doctors weighed in
Dr. Liesa Harte
Family Medicine 29 years experience
Heart Attack/Failure: Heart attack is referring to damage to the heart muscle due to lack of blood flow. Heart failure means the heart muscle doesn't work right. Heart failure can certainly occur as a consequence of damage from a heart attack. Heart failure can also occur because of damage from a viral illness, long-term damage from high blood pressure, and other reasons too lengthy to go into here.

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Last updated Dec 8, 2014
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