Absolute contraindication to thiopentone:: (A) Cardiotoxicity, (B) Acute intermittent phorphyria, (C) Malignant hyperthermia, (D) Methhemoglobinemia
Answer is B. Ans. (b) Acute intermittent phorphyriaMust Know* Thiopentone is C/I in acute intermittent porphyria.* Etomidate is C/I in adrenal insufficiency.* LA which causes meth hemoglobinemia: Prilocaine* Malignant hyperthermia is caused by: Succinylcholine* DOC for malignant hyperthermia: Dantrolene