Author | Janet Poponick, MD

Articles

ECG Changes in Polymorphic Ventricular Tachycardia

June 01, 2007

Torsades de pointes, or polymorphic ventricular tachycardia, seen on ECG includes wide complex QRS morphology tachycardia, axis deviation of the QRS complexes around baseline.

An Intriguing Diagnosis

December 31, 2006

A 62-year-old woman was found on thefloor of her bathroom at home with herwheelchair partially on top of her.She was unresponsive except to painfulstimulus.

ECG Changes in Pericarditis

December 01, 2006

A 26-year-old otherwise healthy man presents to the emergency department with a 3- to 4-hour history of left-sided chest pain. The pain is pleuritic and accompanied by nausea and discomfort in the left arm.

ECG Changes in Hyperkalemia

August 01, 2006

A succinct review of hyperkalemia . . . its various causes, clinical manifestations and consequences, ECG findings, and treatment approaches.

Case In Point: Lone Atrial Fibrillation in a Young Man

March 01, 2005

A 23-year-old man presents to theemergency department (ED) withacute chest discomfort, which startedin the morning. He describes the discomfortas more akin to palpitationsthan to actual pain. The discomfortis midsternal, nonradiating, nonpleuritic,and associated with dyspnea; itis neither exertional nor positional.There is no viral prodrome.