A Gasping Heart | Science News

SUPPORT SCIENCE NEWS

Help us keep you informed.

Real Science. Real News.


Feature

A Gasping Heart

Cardiac quirk may worsen sleep apnea, invite altitude sickness

By
4:52pm, April 3, 2007

A common imperfection in the structure of the heart may worsen breathing difficulties in people who have sleep apnea and provoke a life-threatening condition called high-altitude pulmonary edema in mountaineers who ascend too quickly. In both scenarios, new studies suggest, the cardiac abnormality contributes to a rapid drop in the blood's oxygen content.

In newborn bab

This article is only available to Science News subscribers. Already a subscriber? Log in now. Or subscribe today for full access.

Get Science News headlines by e-mail.

More from Science News

From the Nature Index Paid Content