Chest Pain and Vomiting Blood

"My Chest started hurting right after I threw up blood."
The patient is taking shallow breaths and is hunched over. He also has dried blood on his shirt.

Vomiting blood could have many reasons, including a torn esophagas, food poisoning, or internal bleeding.
Chest Pain could be indigestion, internal injury in the lungs and stomach, or the prelude to a heart attack.