John Geddes (L) with the crew of the mobile coronary care unit Personal collection of Sam Webb John Geddes was working as a ...

Ventricular fibrillation is often a fatal arrhythmia. It occurs when the ventricular rate exceeds 400. In this setting, virtually no forward cardiac output occurs. Advanced Cardiac Life Support ...

A serious heart rhythm problem in which the heart beats faster and out of rhythm. The exact cause is not always known, but it is most common in people who have had an injury or scarring in the ...

This paradoxical increase in ventricular heart rates may lead to ventricular fibrillation (ventricular rates of 400 to 600 bpm) and death. Procainamide or urgent electrical cardioversion is ...

Excessive supraventricular ectopic activity (ESVEA) in the acute phase of ischemic stroke or transient ischemic attack (TIA) ...