An arrhythmia is a disorder of the heart rate(pulse) or heart rhythm, such as beating too fast(tachycardia), too slow(bradycardia), or irregularly.Dysrhythmias; Abnormal heart rhythms; Bradycardia; Tachycardia.Normally,...
Multifocal atrial tachycardia is a rapid heart rate that occurs when too many signals(electrical impulses) are sent from the upper heart to the lower heart.
Ventricular fibrillation(VF) is a severely abnormal heart rhythm( arrhythmia) that can be life-threatening.The heart pumps blood to the lungs, brain, and other organs.