This ECG shows every other beat having a short PR interval and a delta wave. This is called WPW-alternans. The accessory pathway that is exists is refractory on an alternating basis creating this ...

A 65-year-old man receives a right coronary artery stent after a NSTEMI. What does his postsurgery ECG look like?

The diagnosis is normal sinus rhythm, WPW pattern, PACs in bigeminal pattern, and pseudo inferior wall infarction. The rhythm is irregular and there is a pattern of group beating (ie, two QRS ...

2. Short PR interval and delta waves consistent with Wolff-Parkinson-White (WPW) syndrome Explanation: Wolff-Parkinson-White syndrome occurs when a person is born with an "accessory pathway" that can ...

Purpose: Electrocardiogram (ECG) abnormalities are universal in infantile Pompe disease or glycogen storage disease type II, a fatal genetic muscle disorder caused by deficiency of acid α-glucosidase ...

QRS interval widening appears to be highly specific for the diagnosis of hyperkalemia in patients with end-stage kidney disease. ECG changes, in general, have poor sensitivities for hyperkalemia in ...

A recent study to be presented at the American Heart Association (AHA) Scientific Sessions 2022* revealed unexpected changes in the electrical conduction system of the first genetically-modified ...