Such spells need a workup to rule out some potential causes
- Vasovagal syncope – Syncope means a transient, self-limited loss of consciousness with an inability to maintain postural tone that is followed by spontaneous recovery. In
vasovagal syncope, triggers include prolonged standing, sight of blood, pain, and fear. Before losing consciousness, one can develop nausea, sweating and pale skin. Typically return to consciousness occurs after 1 to 2 minutes.