There is a regular rhythm at a rate of 30 beats/min. The QRS complex is wide (0.16 sec). The axis is normal between 0° and +90° (positive QRS complex in leads I and aVF). The QRS complex resembles a ...
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 R wave ...
An electrocardiogram is a picture of the electrical conduction of the heart. By examining changes from normal on the ECG, clinicians can identify a multitude of cardiac disease processes. There are ...
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