Home > Medical > Heart Health > Heart attack Heart attack All sections in Heart » About Heart » Children & Heart Disease » Congenital Heart Disease » Emergency Treatment » FAQs » Diet and your Heart » Health Tips » Heart and Exercise » Heart Attack » Heart Transplants » After a Heart Attack » Multimedia » Heart News » Obesity » Smoking & your Heart » Stress & your Heart » Tests & Procedures » The Heart in Space » Treatment » Women & Heart Disease Study links antibiotic to heart death risk Danish researchers say that use of the antibiotic clarithromycin is associated with a 76-percent higher risk of cardiac death, compared to use of penicillin V. Antibiotic for pneumonia ups heart attack risk Azithromycin lowers pneumonia death risk in older patients, but slightly increases heart attack risk. Antibiotic linked to heart problems in COPD patients Study looked at clarithromycin use for lung conditions, but didn't prove cause-and-effect. Ask Cardiologist » Quiz Is your diet heart-healthy? » Quiz Could I have high cholesterol? » Subscribe Newsletters » Simple tips on keeping a healthy heart 7 steps to a healthier heart Heart attack - from Natural Standard A heart attack, or myocardial infarction (MI), occurs when the supply of blood and oxygen to an area of heart muscle is blocked. Why we die of heart attacks Heart attacks and strokes are highly preventable, according to the US Surgeon General. But as heart disease is the nr.1 killer worldwide, we're obviously doing something wrong. Heart attack: why did it happen? The medical staff at the hospital would probably have told you why you had a heart attack or “myocardial infarction”. However, it's often difficult to concentrate in times of shock What is a heart attack? A heart attack occurs when part of the heart muscle is sufficiently deprived of blood to result in death of muscle cells. This is an emergency. Heart attack: warning signs Take a look at this graphic to see which warning signs, in men and women respectively, may signify that a heart attack is on its way. load more articles advertisement From our sponsors Exam stress – a challenge for the whole family Cardiovascular risk factors Take care of your teeth. Anytime. Anywhere. Like us on facebook!