Medscape

QRS Duration Is an Insensitive Marker of Left Ventricular Dyssynchrony in Patients With End-Stage Heart Failure

The mechanism of the benefits achieved with the therapy has been attributed to resynchronization of the dyssynchronous segments resulting from bundle branch block, especially left bundle branch block ...
The New England Journal of Medicine

Electrocardiographic Criteria in the Differential Diagnosis of Pre-Excitation (Wolff–Parkinson–White Syndrome) and Arteriosclerotic Heart Disease

THE electrocardiographic picture of prolonged QRS-complex duration with short PR interval was the subject of isolated reports 1,2 until Wolff, Parkinson and White 3 described the clinical syndrome of ...
Medscape

Atrial Overdrive Pacing Inducing QRS Complexes of Varying Duration in a Patient with Recurrent Syncope. What is the Mechanism?

Pacing Clin Electrophysiol. 2008;31(2):229-231. A 52-year-old man was admitted in our institution with cranial traumatism due to a syn-copal episode that occurred while he was walking. Several weeks ...
Healio

CRT may be harmful in patients with RBBB, very wide QRS duration

Please provide your email address to receive an email when new articles are posted on . ORLANDO, Fla. — Cardiac resynchronization therapy may be detrimental in patients with right bundle branch block ...
Monthly Prescribing Reference

QRS Duration Independently Tied to Risk of Sudden Cardiac Death

QRS Duration Independently Tied to Risk of Sudden Cardiac Death Prolonged QRS duration is associated with an increased risk of sudden cardiac death (SCD). (HealthDay News) – Prolonged QRS duration is ...