Depending on how the heart’s electrical activity appears on an EKG, a doctor may diagnose coarse or fine ventricular fibrillation (VF). Coarse VF appears as larger waves on an EKG compared with the ...

Cardiopulmonary resuscitation (CPR) and defibrillation are crucial life-saving techniques that can greatly influence survival rates during emergencies involving sudden cardiac arrest (SCA). The ...

Ventricular fibrillation (VFib or VF) and ventricular tachycardia (v-tach or VT) are two types of heart arrhythmia that occur in the heart’s lower chambers called the ventricles. The ventricles ...

Recently, I wrote about the dark side of CPR. Despite a common misperception that CPR can rescue almost anyone from the brink of death, most people that receive it don't survive. Of those that do, ...

When your heart shakes, it's a condition known as ventricular fibrillation (VF), an extremely serious cardiac arrhythmia that poses a life-threatening risk. During a VF episode, the heart's ventricles ...