He has food poisoning
He’s had an allergic reaction
He has high blood pressure
He’s unconscious
He’s twisted his ankle
He’s choking
He’s burned himself
He ate some chicken that wasn’t fully cooked.
He was stung by a wasp and now he has a rash and has difficulty breathing.
It’s 180 over 140.
He’s breathing, but his eyes are closed and he can’t hear or feel anything.
He spilled some boiling water on himself.
He fell badly and now it’s swollen.
He was eating a steak and a piece got stuck in his throat.