With second-degree heart blocks, some signals from the atria (upper chambers of the heart) do not reach the vestibules (lower ...

Vagally mediated AV block occurs commonly during sleep when parasympathetic activity predominates. In this respect, a recent statement that ‘episodes of Mobitz type II second-degree block may be ...

Several possible causes of heart block exist. It may stem from aging of the conduction system, a prior heart attack, heart ...

Common consequences of increased vagal tone include sinus bradycardia, sinus arrhythmia and early repolarisation (figure 1). Other, less common markers of increased vagal tone are first-degree AV ...

Learn about the i sound with the wizards! close Sorry, something went wrongCheck your connection, refresh the page and try again. Pick the item that uses the correct ...

Eleven studies describing sinoatrial (SA) nodal, atrioventricular (AV) nodal or infra-Hisian conduction parameters in the setting of cocaine use were found. Fourteen studies and two case series ...

James was born on 19 June 1566 in Edinburgh Castle. His mother was Mary, Queen of Scots and his father her second husband, Lord Darnley. Darnley was murdered in February 1567. In July Mary was ...

As a whole, cocaine-associated electrocardiographic abnormalities are well described in the literature (primarily in the form of observational studies, small controlled studies and case reports ...

This as-told-to essay is based on a conversation with Yi Ke Cao, 20, a sophomore at Singapore's Nanyang Technological University. Cao started her internship journey back in secondary school when ...

or Class III/IV heart failure or have a presence of Mobitz type II second-degree or third-degree atrioventricular (AV) block, sick sinus syndrome, or sino-atrial block, unless the patient has a ...

Darlington Michaels, who played the beloved character Papa G on the South African soap opera Isidingo for 16 years, passed away at the age of 78 after a brief illness. His co-stars and fans have ...