Thursday, August 3, 2017

Causes of chemosis mnemonic

Chemosis is known as oedema of conjunctiva.

Reason:due to exudation from the abnormal capillaries.This retained exudate gives a swollen and gelatinous appearance.

Regions: loosely attached areas of the bulbar conjunctiva and fornices.

Causes: ABC

A: Acute inflammations like gonococcal conjunctivitis, panophthalmitis, dacryocystitis, periostitis, orbital cellulitis.

B: Blood conditions (abnormal) like anaemia, urticaria, angioneurotic oedema, lymphocytic infiltration.

C: Circulatory obstruction in conditions like pulsating exophthalmos or due to pressure of an orbital tumour which may interfere with the lymph and blood drainage.

Thanks for reading.


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