Feeling dizzy, lightheaded, or suddenly blacking out may seem harmless in some situations, but doctors say fainting can ...

A personal history of passing out. A cardinal symptom of panic disorder is the sudden, inexplicable sense of an imminent loss of control. Panicky persons become afraid that if they do not leave ...

A newly discovered pathway between the heart and brain may explain why healthy people faint. The pathway appears to carry signals from the heart's lower pumping chambers to an area of the brainstem ...

Most of us have experienced fainting at least once in our lives. It is the sudden loss of consciousness, usually caused by a sudden drop in blood flow to the brain. What other health issues can cause ...

Tilt table tests help doctors find possible causes of repeated fainting. During this test, a person lies on a tiltable table. Doctors fasten them to the table before tilting it upright. Doctors may ...