Establishing the cause or causes of syncope serves two principal purposes. First, an etiologic diagnosis permits assessment of prognosis and risk of recurrence, both issues of great concern for ...

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

Fainting or blacking out, also known as syncope, is a temporary loss of consciousness due to insufficient blood flow to the brain. Dreamstime/TNS You may have heard that people who feel faint should ...

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