History-taking and physical examination will usually indicate whether the fainting spell is syncopal or from another cause, and will allow for a precise diagnosis in about 40% of older patients. [7] ...

Medically reviewed by Richard N. Fogoros, MD Key Takeaways Vasovagal syncope often happens when standing or sitting up ...

Picture this: you’re standing in line at the grocery store when suddenly you feel dizzy, nauseous, and before you know it, you’re waking up on the floor with concerned strangers hovering over you. If ...

The case description for a Case Records of the Massachusetts General Hospital appears below. A 41-year-old man was evaluated for swelling in the ankles and syncope. CT of the chest showed bilateral ...

When the heart beats too fast or too slow, blood pressure can drop suddenly, reducing blood flow to the brain and causing a ...