Paroxysmal supraventricular tachycardia (PSVT) is a heart condition caused by abnormal electrical pathways in the atria. It can cause a very fast heartbeat, anxiety, and rapid breathing. Treatment options include cardioversion and cardiac ablation. People with a rapid heartbeat should seek medical attention to determine the cause. Paroxysmal supraventricular tachycardia (PSVT) is a heart condition […]