EKG Atlas-Cor Pumonale

This page contains a classic EKG of a patient with Cor Pulmonale due to COPD. The criteria of Cor Pumonale follow the EKG.

Criteria of Cor Pumonale

I. QRS morphology

Limb leads
1. Right axis deviation
2. S > R in lead I
Precordial leads
1. S > R in V5 - V6
2. S > R in V2
3. Lead V1 rs, Rs, or rS
Orthogonal leads
1. S > R in lead X
2. Tall R wave in lead II

II. T wave variable

III. P wave

Limb leads
1. Vertical axis
2. P > 3 mm in lead II or III
Precordial leads
1. Negative P in lead V1

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[EKG Atlas]