Category Archives: ECG

Atrial fibrillation and left ventricular hypertrophy Coarse and irregular baseline with absent P waves indicate atrial fibrillation. The irregular RR interval is also suggestive of atrial fibrillation. Deep [..]

Arm lead inversion, sinus tachycardia (Click on the image for an enlarged version) P wave, QRS and T wave are inverted in Lead I and upright in lead [..]

Right bundle branch block with leftward axis (Click on the image for an enlarged view) A wide QRS of 120 milliseconds with rSR’ pattern in V1 and slurred [..]

Click on the image for an enlarged view) ECG show wide QRS complex with rSR’ pattern in V1 and slurred S wave in leads I, aVl, V5 and [..]

(Click on the image for an enlarged view) ECG shows ventricular premature complexes with very wide QRS complex showing positive complexes in V1 and predominantly negative complexes in [..]

 Evolved inferior wall myocardial infarction (Click on the image for an enlarged view) Mild ST segment elevation and T wave inversion are noted in inferior leads II, III [..]

Interpolated ventricular premature complex (Click on the image for an enlarged view) Usually a premature ventricular complex (PVC or VPC) (identified as a wide QRS complex not preceded [..]

ECG in endocardial cushion defect (Click on the image for an enlarged view) ECG in endocardial cushion defect showing right atrial overload, right upper quadrant axis and right [..]

Ventricular premature complexes in trigeminal pattern (Click on the image for an enlarged view) The first complex in the lead II rhythm strip at the bottom is a [..]

ECG is normal with small ventricular septal defects. Left atrial enlargement may be noted in moderately restrictive VSDs and in those with large left to right shunts. Left [..]