Conditions list medically reviewed by George Krucik, MD, MBA
During a heart attack, the blood supply that normally nourishes the heart with oxygen is cut off and the heart muscle begins to die. Learn more.
People with paroxysmal supraventricular tachycardia experience a faster-than-normal heart rate. Learn more about the symptoms, treatments, and outlook.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.