How to revive Someone who blacks out
Fainting, or “blacking out,” has numerous causes. Sometimes the person “comes to” quickly (e.g., the cause is prolonged standing in heat), or the person won’t respond (illness), and this kind of cause can be life threatening. Signs someone’s about to faint include frequent yawning, chest tightness, teetering, heart palpitations, nausea, a slow pulse, dizziness, lightheadedness,…
