Word: chamberses
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
A better alternative, according to some researchers, is a device that could take over temporarily for either of the two main pumping chambers of the heart, particularly the workhorse left ventricle. These assist devices shunt blood from the ventricle to a pump outside the body that sends it directly to...
Ultrasound Imaging. Also known as echocardiography, this is probably the most widely used noninvasive test. By bouncing high-frequency sound waves off the heart in much the same way that surface ships search for submarines, physicians can get a picture of the heart's interior, its chambers and valves...
Even more spectacular is an operation that researchers at the University of Utah hope to do soon: implantation of an artificial heart. The challenge is formidable, since the heart is one of nature's masterpieces. The fist-size organ beats 100,000 times a day, and over a lifetime...
All we need to do is act, and the time for action is now," declared Ronald Reagan as he ended a triumphantly successful televised address to a joint session of Congress. And this week both the House and Senate will act. The first crucial votes that may well shape the...
Unquestionably, the aborted coup attempt has transformed Spanish politics. Old issues-institutional reform, regional autonomy-have been swept aside for the time being; the balance of power among the parties has shifted. The government has launched an investigation into the coup conspiracy, but almost no one in Madrid expects major...