EKG Atlas-Normal with Vertical Axis

This page contains a normal EKG of a patient with vertical axis. The criteria of normal EKG with vertical axis follow the EKG.

Criteria of normal EKG with vertical axis

1. P and T waves are upright in lead I

2. q < 0.02 sec duration in leads II, III, and aVF

3. Frontal plane QRS vector is between 0 and 90 degrees.

4. Precordial progression from r in V1 to R in V5 and V6.

5. T concordant with QRS.

6. QTc < 0.44 sec.

7. PR < 0.20 sec.

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[EKG Atlas]