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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Gastric lavage in contraindicated in which of the following poisonings?
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The correct answer is  Ans. A. Hydrocarbon poisoningGastric lavage involves the passage of a oro gastric tube with sequential administration and aspiration of small volumes of normal saline with the intent of removing toxic substances present in the stomach. Contraindications to gastric lavage include ingestion of hydrocarbons because of high aspiration potential, ingestion of corrosive substances, and risk of hemorrhage or GI perforation resulting from pathology or recent surgery. As with induction of emesis, the effectiveness of this procedure is dependent on the time of ingestion and is likely to be most effective within the first 1 to 2 hours post intoxication