ECG Criteria of Right Atrial Enlargement

Right atrial enlargement produces a peaked P wave (P pulmonale) with amplitude:

• > 2.5 mm in the inferior leads (II, III and AVF)
• > 1.5 mm in V1 and V2

Also known as: Right Atrial Enlargement (RAE), Right atrial hypertrophy (RAH), right atrial abnormality