Overview: A 61-year-old man has collapsed in a parking lot; A shooting victim is bleeding heavily; A tracheotomy patient has some bleeding around his tracheal tube; A 61-year-old man has been hit in the head with a stick; Paramedics notice needle tracks on the arms of a woman complaining of chest pains; A 75-year-old man was sitting in his chair at home when he started feeling dizzy; A 34-year-old man is suspected of going into diabetic shock when he is found unconscious and unresponsive; A 79-year-old man collapses in his home and is experiencing rectal bleeding.