LƯU MẠNG ECG
Left Atrial Abnormality & 1st degree AV Block-KH Frank G.Yanowitz, M.D.
The P-wave is notched, wider than 0.12s, and has a prominent negative (posterior) component in V1 - all criter for left atrial abnormality or enlargement (LAE). The PR interval 0.20s. Minor ST-T wave abnormalities are also present.