March 2009 references and further reading

National Library of Medicine. Mitral valve prolapse resource page. National Heart, Lung, and Blood Institute. Mitral valve prolapse. Wells HF, Buzby JC. Dietary Assessment of Major Trends in U.S. Food Consumption, 1970-2005. USDA Economic Research Service: Washington DC, 2008. (Locked) More »

The flap over mitral valve prolapse

Mitral valve prolapse is a bulging of the valve between the left atrium and left ventricle. Most people with the condition need no treatment and can expect to have a normal life span, though in certain cases the valve can start to leak. (Locked) More »

Creating order from chaos: Taming atrial fibrillation

Atrial fibrillation occurs when the heart receives an overload of signals telling it to beat, causing an irregular rhythm. It can be caused by a number of conditions including high blood pressure, heart failure, a viral infection, or stress. (Locked) More »

Heart Beat: Gasping shouldn't delay CPR

If a person who is having a heart attack is not breathing but occasionally gasps for air, CPR should still be administered. In the first few minutes after an attack, it is more important to focus on chest compressions. (Locked) More »

In Brief

Brief updates on a possible link between too little sleep and heart disease, higher blood pressure in winter, and the danger of fat around the heart. (Locked) More »

Ask the doctor: Can I exercise even though my valves are leaking a little bit?

At 78 years old, I am in pretty good shape. A couple of years ago, an echocardiogram showed a small leak in my mitral valve. A year later, a follow-up test showed some leakage in my tricuspid valve. The valves aren’t causing me any problems right now, but how will I know if they need to be repaired? I like to exercise, but don’t want to make these valve problems worse. Is it okay for me to walk on a treadmill at a speed of 3 to 4 miles an hour or lift light weights? (Locked) More »