In patients with atrioventricular septal defect (AVSD), the occurrence of nonsurgical AV block has been reported. We have looked for an explanation in the development of the AV conduction system.

Thomas Kurian, M.D.; Christina Ambrosi, M.Sc.; William Hucker, M.D., Ph.D.; Vadim V. Fedorov, Ph.D.; Igor R. Efimov, Ph.D. While not extensively evaluated in these ...

INJURY to the invisible subendocardial conduction system during surgical closure of congenital defects in the ventricular septum is an uncommon but extremely grave complication. 1,2 Impalement of ...

Of all the bodily functions performed flawlessly without conscious intervention, the steady beat of our hearts is among the most critical. The developing heart is the earliest organ to function in the ...

In the lower tracing (lead II), P1 is conducted. P2 is blocked; in other words, this patient's AV node cannot conduct at the R1P2 interval. P3 was going to be conducted. How do I know that? This ...

A 68-year-old man without previous comorbidities presented to the emergency department with complaints of palpitations and giddiness. On examination, his pulse rate was 92 beats per minute, and his ...

What Is the Heart Conduction System? The heart conduction system is made up of cells, nodes, and signals that help your heart to beat. In fact, the cardiac conduction system is responsible for our ...

BARCELONA, Spain—The European Heart Rhythm Society (EHRA) has released a new consensus statement on conduction system pacing (CSP), which includes both His-bundle and left bundle branch (LBB) pacing, ...