For nitroglycerin, what is the typical sublingual dose, and under what condition can it be repeated?

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Multiple Choice

For nitroglycerin, what is the typical sublingual dose, and under what condition can it be repeated?

Explanation:
Sublingual nitroglycerin is given in small, rapidly absorbed doses to relieve chest pain while keeping blood pressure safe. The typical sublingual dose is 0.3–0.4 mg per tablet, and you may repeat the dose at about 5 minutes for continued symptoms, but only if the patient remains hemodynamically stable—specifically, systolic blood pressure should be at least 100 mmHg and there are no contraindications (such as hypotension or recent PDE-5 inhibitor use). This combination of a small, standard dose and a BP-based repeat rule explains why that option is the best choice.

Sublingual nitroglycerin is given in small, rapidly absorbed doses to relieve chest pain while keeping blood pressure safe. The typical sublingual dose is 0.3–0.4 mg per tablet, and you may repeat the dose at about 5 minutes for continued symptoms, but only if the patient remains hemodynamically stable—specifically, systolic blood pressure should be at least 100 mmHg and there are no contraindications (such as hypotension or recent PDE-5 inhibitor use). This combination of a small, standard dose and a BP-based repeat rule explains why that option is the best choice.

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