Science news articles about 'heart blockages'

... type of symptoms; How much cholesterol plaque has built up and in which arteries; How much of the heart muscle, according to stress testing, is being starved for blood and oxygen (a condition ...

... diabetic patients may reduce the effectiveness of drug-eluting stents used to treat heart blockages, but using a chemical that differs from the one commonly used to coat stents could counteract this ...

... loss and persistent vomiting. An electrocardiagram also revealed she had a heart blockage, while blood tests showed she had low potassium levels. The second also had low potassium levels ...