Category Archives: ECG

Lown Ganong Levine syndrome (LGL)

Lown Ganong Levine syndrome (LGL) was described by the trio in 1952 [Lown B et al. The syndrome of short P-R interval, normal QRS complex and paroxysmal rapid [..]

ECG

Causes of regular RR interval in atrial fibrillation (AF)

ECG in atrial fibrillation is characterized by absent P waves, presence of fibrillary waves (f waves) and a totally irregular RR interval. But RR interval can be regular [..]

ECG

Ventricular ectopics – RBBB pattern suggestive of LV origin

(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 [..]

ECG

Right bundle branch block with leftward axis

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 [..]

ECG

Left atrial rhythm

Left atrial rhythm has the dominant pacemaker activity of the heart arising from the left atrium. It is the presence of a left atrial rhythm without situs inversus [..]

ECG