Doctor insights on:
Blockage In Coronary Artery
Yes but uncommon: Although uncommon, it is usually due to a congenital cause (conditions that one is born with). Classic atherosclerotic plaque is unlikely unless the patient has a severe form of family hyperlipidemia, type 1 diabetes, heavy smoker, Cocaine user, etc. Abnormal position of the coronary arteries is a rare but potential lethal cause of a heart attack. ...Read more
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
Recently i had angioplasty for the second time and i still have a 45% blockage in my right coronary artery. Now what?
Can I ride a roller coaster 3 years after having a heart attack due to blockage of the right coronary artery and getting stents implanted?
Enjoy ride: Hope you are not doing the tallest and fastest roller coaster. ...Read more
By decreasing oxygen: The heart muscle depends on oxygen supplied by the coronary arteries to effectively function. When the artery is narrowed it can decrease the supply of oxygen and decrease the force of the muscle contraction. The stroke volume is a measure of how much blood the heart forces out with each beat. ...Read moreSee 1 more doctor answer
What part of the heart would receive less blood if the were a blockage in the left main coronary artery?
Left main: most of the blood to the left ventricle passes thru the left main. That is why it is such a serious lesion. ...Read more
What do you recommend if I had a heart angiogram with 70% blockage in my left main coronary artery.no stint.dr afraid he would block.why?
Bypass surgery: everything is a balance between risk/benefit. often with a > 50% left main blockage, a bypass surgery is the safest choice. medical therapy alone carries a high risk of sudden death due to the severity of the blockage. a stent placement there, though relatively simple - might have a catastrophic outcome if any slight thing went wrong. a stent is indicated if surgery is higher than usual risk. ...Read more
How much blockage must there be of coronary arteries to be recommended for bypass surgery versus just getting stent?
Not about degree : it is not about the degree or percentage of blockage. It is about the location or number of areas that have disease. There are also other factors that play a role such as history of diabetes or poor heart function. Most commonly: if the left main artery or all three of the major coronary artery's have significant blockage then surgery is recommended. ...Read more
Several: There are a number of risk factors that lead to plaque in the coronary arteries which is the reason for the blockage. Some of these are smoking, high blood pressure, unhealthy diet, an abnormally high cholesterol, lack of exercise, and obesity. There are also hereditary factors. ...Read moreSee 2 more doctor answers
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