Poor R wave progression refers to the absence of the normal increase in size of the R wave in the precordial leads when advancing from lead V1 to V6. In lead V1, the R wave should be small.

The ECG findings of an old anterior wall MI include the loss of anterior forces, leaving Q waves in leads V1 and V2. This is a cause of poor R wave progression, or PRWP. Here is an example of an ...

A 76-year-old woman presents with a persistently rapid heart rate that she attributes to her pacemaker. What does the ECG ...

The admission EKG showed normal sinus rhythm with diffuse, nonspecific ST-T changes and abnormal precordial R wave progression. EKG, on the morning after admission, revealed deep T wave inversion ...