This ECG occurred in the setting of a large pericardial effusion causing cardiac tamponade. The pericardial effusion dampens the electrical signal on the ECG causing low voltage to be present (see Low ...

A 46-year-old with a history of diabetes and hyperlipidemia has an irregular pulse during a routine exam. What does his ECG show?

The correct diagnosis is sinus rhythm, nonconducted premature atrial complexes (PACs), and junctional escape complex (Figure 2). The rhythm is irregular, but the long intervals are all the same (↔) ...

THE electrocardiographic picture of prolonged QRS-complex duration with short PR interval was the subject of isolated reports 1,2 until Wolff, Parkinson and White 3 described the clinical syndrome of ...

Among the investigations currently used to classify hypertensive disorders of pregnancy (serum creatinine, fasting blood glucose, serum potassium and urinalysis), interpretation of the ECG is an ...