Conditions list medically reviewed by George Krucik, MD, MBA
Panic disorder occurs when you live in fear of a panic attack. You may be having a panic attack when you feel sudden, overwhelming terror with no obvious cause.
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.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.