What is the ventricular rate range in atrial fibrillation with rapid ventricular response (A fib RVR)?

In atrial fibrillation with rapid ventricular response, the ventricular rate typically ranges from 100 to 175 beats per minute. This condition occurs when the atria fibrillate, leading to irregular electrical activity that results in a disorganized heart rhythm. The term "rapid ventricular response" indicates that the ventricles are responding quickly to this chaotic atrial activity, often due to the increased conduction of impulses through the atrioventricular (AV) node.

When assessing the ventricular rate, it is important to recognize that while atrial fibrillation can sometimes present with slower rates, the "rapid" aspect of this scenario signifies a faster, more concerning ventricular response. Thus, a rate within the range of 100 to 175 indicates significant cardiovascular stress and may require immediate management to control the heart rate and prevent further complications.