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.
Atrial fibrillation and flutter are irregular heart rhythms that occur when the upper chambers of the heart beat irregularly or too fast. Fibrillation can be sustained…
Atrial flutter is a type of abnormal heart rate. It occurs when the upper chambers of your heart beat too fast. Learn about symptoms and risk factors.
MAT causes your heart to beat much faster than it normally should. Learn about other symptoms and treatment options.
Acute mountain sickness is a condition that occurs when your body can't adjust to a high level of altitude. Learn more about the signs and how to treat it.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.