Clinical Question-10

PARDEE SIGN on ECG seen in

A. Atrial Fibrillation


C. Acute Myocardial Infarction


Pardee’s sign

  1. Typical morphology of a STEMI
  2. Upsloping convex STE during the acute phase of AMI
  3. High positive predictive value.

Concave morphology of ST elevation is less specific for ST elevation myocardial infarction

Upsloping convex STE during the acute phase of AMI, as described by Harold E.B. Pardee in his original paper in 1920, is considered the typical morphology of a STEMI (“Pardee’s sign”) and represents a high positive predictive value.

Nevertheless, mostly a concave morphology of STE is seen which is less specific for STEMI and can be found as well in many other non-ischemic causes.

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