Primary spontaneous pneumothorax — RCPSC EM MCQ
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Correct answer: E — Treat as DKA with isotonic fluid, potassium-guided insulin and early dextrose
Explanation lettering: D = shown as B · E = shown as C · C = shown as D · B = shown as E
B is correct for SGLT2-associated euglycemic DKA; normal-range glucose does not remove the need for insulin to stop ketogenesis, while dextrose permits ongoing insulin. C, D, E and A misclassify a high-anion-gap ketotic acidosis with a characteristic drug exposure.
Reference: Emergency Care BC, Hyperglycemia—Treatment: https://emergencycarebc.ca/clinical_resource/clinical-summary/hyperglycemia_treatment/