Atrial Fibrillation (AFib) with rapid ventricular response (RVR) is basically a fancy name for an irregular heartbeat. When your ticker’s electrical signals aren’t working right, it can lead to a heartbeat that’s too fast or too slow. Atrial fibrillation is what doctors call this abnormal heart rhythm, and for most people, the faulty signals start in the upper two chambers of the ticker, called the atria. But the misfiring signals sometimes can also make your heart’s two bottom chambers, called ventricles, beat too quickly, this is a specific type of atrial fibrillation called AFib with rapid ventricular response . Before talking about the symptoms and causes, learn more about the life-saving CPR procedure. Proper application of the procedure can revive the life of a victim involved in a cardiac arrest. Cardiac arrest can strike anyone irrespective of the person’s age (even children and infants). A victim would require immediate treatment for survival. For CPR training, make