Tachycardia is a fast heart rate specifically classified as heart rate exceeding 100 beats per minute while at rest. Generally, if left untreated, it can result to serious complications including stroke, heart failure, sudden cardiac arrest or death. https://www.youtube.com/watch?v=xAfj5AHxC2I Types of tachycardia Atrial fibrillation is a fast heart rate due to disordered, uneven electrical impulses […]