A 35-year-old male triathlete presents to a clinic for medical assessment after reporting a 3-year history of palpitations each time he drinks ice-cold water after physical training. He tells ...

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 ...

Background A routine sports evaluation identified constant alternation between a junctional and idioventricular rhythm in a 9-year-old child. During exercise testing, electrography demonstrated that ...

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 ...

More people have atrial fibrillation (AFib) than any other kind of irregular heartbeat. And the numbers are only expected to go up as people live longer with heart conditions that go along with it.