Clinical introduction
A 35-year-old male presented with painful skin rash for 2 hours after a clear liquid splashed onto his legs when a car drove past him and squelched a roadside container on a street populated by small-sized factories. Burning sensation and pain developed in 10 min. He called on the emergency room after irrigation. His trousers were intact, wet but not slippery, and had a pungent sour odour.
QuestionWhat is the best answer for the clear liquid?
It is a strong alkaline fluid
It is concentrated sulfuric acid
It is concentrated hydrofluoric acid
It is 50% of hydrogen peroxide
ANSWER: C
The affected skin had a blue-greyish depression with surrounding erythema and blisters (figures 1 and 2), a picture of liquefactive necrosis. This was suggestive of an alkaline injury; however, the pH of liquid on the trouser, measured...
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