Hello, I'm an expert in the field of cardiology with a focus on arrhythmias. Ventricular fibrillation is a serious and potentially fatal condition that affects the heart's rhythm. It's important to understand what it is and how it can impact a person's health. Fine ventricular fibrillation is not a term commonly used in medical literature. However, if we consider "fine" in the context of "ventricular fibrillation," it might refer to a less severe or more subtle presentation of the condition. Ventricular fibrillation is characterized by rapid, erratic electrical impulses in the heart's ventricles, which causes the heart to quiver rather than pump blood effectively. This can lead to sudden cardiac arrest and is a medical emergency. The causes of ventricular fibrillation can include underlying heart conditions, electrolyte imbalances, certain medications, or even a heart attack. Treatment typically involves immediate defibrillation, which is the application of an electric shock to the heart to restore a normal rhythm. read more >>

Ventricular fibrillation (VF) is the the most important shockable cardiac arrest rhythm. ... Prolonged ventricular fibrillation results in decreasing waveform amplitude, from initial coarse VF to fine VF and ultimately degenerating into asystole due to progressive depletion of myocardial energy stores.read more >>