The common heart urchin (Echinocardium cordatum) occurs in all oceans.
He had what his doctor called "a common heart rhythm disturbance".
Atrial fibrillation, a common heart arrhythmia that affects millions of Americans, causes blood to pool in a small pouch.
A common heart condition, irregular heartbeat, which under normal conditions poses little problem, may have more serious consequences if a heart attack strikes.
The laboratories checked for about 100 different drugs, but not for digoxin, the common heart medication that investigators now think was Mr. Cullen's favorite weapon.
In a 1992 study at Duke Medical Center, a leading teaching hospitals, 63 residents in internal medicine were asked to listen to three common heart murmurs programmed into a mannequin.
Then for 90 minutes, the doctors were given MP3 devices and asked to listen to five common heart murmurs 400 times.
It is the most common heart-rhythm disorder that doctors treat, affecting an estimated 2.2 million Americans in one form or another.
A drug for the bone-thinning disease osteoporosis taken by thousands of women in Britain nearly doubles the risk of a common heart condition, scientists warned yesterday.
Another study in the same issue of Neurology warned, however, that scuba divers with a common heart condition, patent foramen ovale, which is an opening between two chambers of the heart, are at greater risk for brain injury.
