This ECG shows ventricular fibrillation. Disorganized wide QRS complexes of relatively low amiplitude are present at a rate of greater than 300 beats per minute. Note the sharp spikes ...

Ventricular fibrillation is often a fatal arrhythmia. It occurs when the ventricular rate exceeds 400. In this setting, virtually no forward cardiac output occurs. Advanced Cardiac Life Support ...

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

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

V-fib is always considered a medical emergency. Ventricular tachycardia is diagnosed with a device called an electrocardiogram (ECG) that records your heart rate and rhythm based on electrical ...

2 Studies have shown that endurance athletes may exhibit a higher incidence of bradyarrhythmias and atrial fibrillation ... Coexistence of pathological ECG abnormalities.7 Ventricular arrhythmia/PVB ...