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Doctor insights on: Can 50 Percent Blockage Of Artery Cause Heart Attack

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How much blockage in artery or arteries can cause a heart attack. Also does blockage come from plaque and clot.

How much blockage in artery or arteries can cause a heart attack.  Also does blockage come from plaque and clot.

Blockage is 100%: to suffer an injury the artery must get closed off for a period of time. Talks about percent stenosis (narrowing) reflect how much of the native artery remains open for flow, that number also gives an estimate about how possible it would be for a small clot to come along and plug up that vessel. The usual way the "door slams shut" is when a clot floats in and finishes making a blockage. ...Read more

Dr. James Chapman
1 doctor shared a insight

Artery (Definition)

Arteries are a type of blood vessels. We can divide blood vessels into 2 categories. Arteries are high pressure vessels which deliver (red) oxygen + blood out into the body. Veins on the other hand or low pressure vessels which return (dark) oxygent - blood from the body ...Read more


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Artery heart blockage mild,what are the risks of having a heart attack? Thanks

Artery heart blockage mild,what are the risks of having a heart attack? Thanks

About 20% over 10y: If you have ever had a heart attack before, and you are not having major heart symptoms now, then your risk for a heart attack or stroke over the next 10 yrs is about 20%. Taking 40-80 mg of atorvastatin daily would decrease risk to about 10%. Visit my website, http://CardioGauge.com for info about calculating risk for heart attack and stroke. Good luck! ...Read more

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What are my chances of having artery blockage or a heart attack after a normal nuclear stress test?

What are my chances of having artery blockage or a heart attack after a normal nuclear stress test?

Very small : A myocardial perfusion scan done in good hands and at a good workload, i.e. Achieved > 85% max predicted heart rate that is normal bodes well for u. Typically if totally normal, your risk of an adverse cardiovascular outcome is less than 1% over next 3 years. At your young age, you ought not to get another nuclear scan if no symptoms, but rather focus on a heart heathy lifestyle. Mediterraneandiet ...Read more

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How do I reduce the risk of a heart attack via coronary artery blockage?

How do I reduce the risk of a heart attack via coronary artery blockage?

Proactive care: Big topic. Briefly: maintain healthy weight, exercise regularly, eat healthy diet, don't use tobacco, limit alcohol consumption, manage stress, have regular physicals with a physician focused on proactive care. Eval generally looks for high blood pressure, diabetes/pre-diabetes/insulin resistance, cholesterol panel. More advanced "cholesterol" testing is available and better at predicting risk. ...Read more

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I had a heart attack at 34, they performed a heart cath & placed a stent for a 90% blockage.What could cause this at my age?What should I do about it?

I had a heart attack at 34, they performed a heart cath & placed a stent for a 90% blockage.What could cause this at my age?What should I do about it?

Heart attack: The causes are the same regardless of your age. Strong family history, hypertension, diabetes, high cholesterol & smoking and obesity. Now you need to control these risk factors to prevent futher progression. Exercise, eat healthy, stop smoking if you do and take all your medications regularly. ...Read more

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Does vit k cause blood to thicken and cause blockage leading to a heart attack?

Does vit k cause blood to thicken and cause blockage leading to a heart attack?

No: It does impact persons on Coumadin (warfarin) and reverse that anticoagulation if indicated, to reverse due to bleeding or need surgery. Enhanced clotting can happen. ...Read more

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Dr. Creighton Wright
3,916 doctors shared insights

Heart Attack (Definition)

Heart attack is a life-threatening condition in which the blood vessels that supply the heart becomes occluded and thus the heart itself is not longer receiving any blood flow. Without this blood flow, the heart muscle dies and cannot pump blood to the ...Read more


Dr. Creighton Wright
1,137 doctors shared insights

Myocardial Infarction (Definition)

Myocardial infarction, or heart attack, is a condition where part of the heart muscle loses its blood supply due to calcification in and ...Read more