coronary thrombosis 
noun
A blockage of the flow of blood to the heart, caused by a blood clot in a coronary artery.George VI, a heavy smoker, survived a major operation to remove his left lung but later succumbed to a blood clot which caused a coronary thrombosis - a blockage in the blood flow to the heart resulting in a fatal heart attack....
- Acute pancreatitis is sometimes mistaken for a coronary thrombosis.
- Spending 40 minutes hanging around at icy bus stops will thicken your blood, putting you at risk of coronary thrombosis, stroke, bronchitis and pneumonia.
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