CAUSES OF UNEQUAL & PINPOINT PUPILS IN ED

Source:http://hashairi.blogspot.com/2012/08/causes-of-unequal-pinpoint-pupils-in-ed.html

MNEMONIC 'HANTU' (UNEQUAL)


H-HORNER'S SYNDROME/HEAD INJURY
A-ANEURYSM OF POSTERIOR COM A.
N- NORMAL VARIANT (20-25% OF POPULATION)
T- TRAUMATIC MYDRIASIS
U-USED OF MYDRIATIC AGENT

MNEMONIC 'PONTINE' (PINPOINT PUPILS)

P-Pontine Hemorrhage / Phenothiazine / Pilocarpine
O- Organophosphorus poisoning / Opiod poisoning
N-Neostigmine Poisoning
T-Transient
I-Iritis
N-Narcotics drugs e.g. Morphine
E-Elevated temperature / Eye- Horner's syndrome