Ventricular Fibrillation (VF)

Ventricular fibrillation (VF) is the most important cardiac arrest rhythm. The ventricles suddenly attempt to contract at a rate of up to 500 beats / minute. Rapid and irregular electrical activity causes the ventricles to become inoperable synchronously, leading to sudden cardiac output loss.

Ventricular Fibrillation / VF is the most common arrhythmia in cardiac arrest patients and requires Emergency Life Support. Irreversible brain damage develops if the patient cannot be resuscitated in a short time (about 5 minutes at room temperature). The patient should be monitored and applied defibrillation as soon as possible. Ventricular Fibrillation / VF is the most common cause of myocardial infarction (MI). The risk of recurrence is low after the acute ischemic episode. Therefore, early treatment is life-saving. In crowded places where sudden deaths are common, such as airports, shopping malls, sports halls, the introduction of automatic external defibribrilators and cardiopulmonary resuscitation trainings improve survival.

Characteristics of ventricular fibrillation ECG: Velocity, rhythm, and PQRST parameters cannot be measured (due to the absence of measurable waveforms). The ECG trace is characterized by continuous, rapid, chaotic and completely irregular wave deflections, varying in height, width, and shape, showing tremors in the ventricles.