Cardiophile MD Archive

Click on the image for a larger view. Ventricular premature complexes (VPC) are seen as wide bizarre QRS complexes without preceding P waves and followed by a compensatory pause which compensates for their prematurity. A couplet means two consecutive ventricular ectopic beats with no intervening sinus beat. Couplets and triplets (also called salvos) may be the [...]

Multiple spikes within the QRS is known as fragmented QRS (f-QRS). Morita et al, from Okayama, Japan has found an association between f-QRS and ventricular fibrillation in Brugada Syndrome (Circulation. 2008;118:1697-1704). 115 patients were evaluated – 13 resuscitated from ventricular fibrillation, 28 with syncope and 74 asymptomatic. 43% of them had f-QRS. The highest occurrence [...]