Tuesday, February 7, 2012

cardiac tamponade and electrical alternans

POSSIBLE EKG FINDINGS IN CARDIAC TAMPONADE:
--sinus tachycardia
--low voltage
--electrical alternans


ELECTRICAL ALTERNANS:
--beat to beat alternation in QRS appearance
--related to back & forth swinging motion of the heart in the pericardial fluid (thought this was a nice way of picturing it)


Reference(s): uptodate.com: cardiac tamponadependulum, EKG

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