Here, we describe a large four-generation family with an autosomal dominant condition, comprising various types of CHD and low atrial rhythm, a unique phenotype not described before within a family. A ...

The rhythm is either sinus rhythm or not sinus rhythm. Sinus rhythm refers to the origination of the electrical activity coming from the sinus node — also known as the sinoatrial node, or SA node.

The 8 patients studied all had ectopic arrhythmias attributed to digitalis. Pronethalol was given by slow intravenous injection, a total dose of 100 mg. or up to 2.0 mg. per kilogram of body weight ...

Ectopic heartbeats, those occasional skipped or extra beats, are usually harmless and often triggered by caffeine, stress, or exercise. While unsettling, they rarely indicate a serious heart problem, ...

A 67-year-old man with acute anterolateral myocardial infarction had recurrent ventricular fibrillation that required insertion of temporary pacemaker. When a permanent pacemaker was inserted stable ...