A 76-year-old woman presents with a persistently rapid heart rate that she attributes to her pacemaker. What does the ECG ...

The most commonly used ECG criteria to diagnosed left ventricular hypertrophy (LVH) is below: Cornell criteria: Add the R wave in aVL and the S wave in V3. If the sum is > 28 mm in males or > 20 ...

Left ventricular hypertrophy can be diagnosed on ... opposite direction of the QRS complex (discordance), and a typical T wave inversion pattern is present, as seen in the image here: Through ...

SUDDEN death in persons with artificial pacemakers is a continuing and disturbing problem. Causes include pacemaker-catheter displacement, electric-component failure, broken wires and rising ...

VPDs with very short coupling intervals developing during an acute stage of myocardial infarction would predict the ...

The regular arrhythmia occurring at the beginning of the electrocardiogram was identified as ventricular bigeminy. Single ventricular premature complexes (VPCs), as well as pairs and triplets of ...