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 ...

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 ...

ECG plays an important role in detection of several stroke risk factors/predictors including atrial fibrillation ... ventricular complexes 6% among people aged 45–65 years on a 2-min rhythm ...

In patients with symptoms such as irregular heartbeats, dizziness, or fainting, or in individuals that physicians suspect may ...