cardiac tamponade and electrical alternans

7 Feb

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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