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

Beta blockers appear to be no more effective than placebo for the treatment of vasovagal syncope. In a randomized trial, 30 patients with recurrent vasovagal syncope and positive tilt test were ...

The ED evaluation of syncope necessitates obtaining a careful history to determine whether such causes as intoxication, sepsis, migraine, or seizure are likely. Physical examination will aid in ...

Syncope is the transient loss of consciousness due to cerebral hypoperfusion. Various conditions can lead to syncope, including pulmonary embolism. How common is pulmonary embolism in patients with ...