Vomiting: non-GIT differential
Physical exam   Wikipedia  
Acute renal failure
Brain [increased ICP]
Cardiac [inferior MI]
DKA
Ears [labyrinthitis]
Foreign substances [paracetamol, theo, etc.]
Glaucoma
Hyperemesis gravidarum
Infection [pyelonephritis, meningitis]

 Mnemonic:
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