Most conditions in finding out why patients faints, most episodes of syncope do not occur while the patient is wearing a heart monitor. Physical examination and heart monitor will try to look for heart rhythm disturbances. Examination of the heart, and lung may uncover a potential cause if these are abnormal. Fainting is not normal even if the cause is not serious you should call 911 activating the emergency.
If the person is not breathing and you palpate for the pulse and do not feel it 911 should be activated an AED. If patients complain about fainting should be placed on a heart monitor. Sometimes depending