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cardiac tamponade
car·di·ac tam·pon·ade


noun 
Definition:
 
external compression on heart: a potentially dangerous condition in which the heart is compressed, either by blood in the pericardial sac or by a penetrating injury, so that its normal function is impeded
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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