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 ...

Please provide your email address to receive an email when new articles are posted on . Women with circadian rhythm misalignment may be at a greater risk for developing ovarian endometriosis, ...

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 ...

Please provide your email address to receive an email when new articles are posted on . This ECG makes you initially think of atrial fibrillation, as the rhythm is very irregular. It is actually what ...

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 ...