Gastric lavage should not be attempted with ingestion of which type of substance?

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Multiple Choice

Gastric lavage should not be attempted with ingestion of which type of substance?

Explanation:
Gastric lavage is avoided with ingestion of high-viscosity petroleum products because these hydrocarbons pose a high risk of aspiration and chemical pneumonitis if introduced into the lungs during the procedure. Their thick consistency makes them difficult to remove effectively, and lavage can easily force material into the airway or spread it, causing serious pulmonary injury. Therefore, the potential harm outweighs any benefit. Other substances listed do not carry this same immediate pulmonary risk from lavage, though management of overdose still depends on timing, symptoms, and airway protection as needed.

Gastric lavage is avoided with ingestion of high-viscosity petroleum products because these hydrocarbons pose a high risk of aspiration and chemical pneumonitis if introduced into the lungs during the procedure. Their thick consistency makes them difficult to remove effectively, and lavage can easily force material into the airway or spread it, causing serious pulmonary injury. Therefore, the potential harm outweighs any benefit. Other substances listed do not carry this same immediate pulmonary risk from lavage, though management of overdose still depends on timing, symptoms, and airway protection as needed.

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