"Call 911!" I shouted to my friend as I sprinted down the street. The young Caucasian male had been thrown fifteen yards from the site of impact and surprisingly was still conscious upon my arrival. "My name is Michael. Can you tell me your name?" In his late twenties, he gasped in response as his eyes searched desperately in every direction for help, for comfort, for assurance, for loved ones, for death, until his eyes met mine. "Flail chest", I thought to myself as I unbuttoned his shirt and placed my backpack upon his right side. "Pulse 98, respiration 28 short and quick. Help is on the…