Heart Rhythm Disorders and Emergency Care

Heart rhythm disorders, also called arrhythmias or dysrhythmias, happen when the heart’s conduction system has a defect. They can make the heart beat irregularly, too fast, or too slow. People may notice chest pain, shortness of breath, or fainting.

Many things can trigger an arrhythmia. Stress, ...

Disturbances in the heart rhythm, or arrhythmia, can cause irregular heartbeats.

If the heart rate falls below sixty beats per minute, it is called bradycardia, whereas a heart rate above one hundred is called tachycardia.

In ventricular tachycardia, the heart beats too fast, and the ventricles fail to pump sufficient blood, resultin...