Which is appropriate in response to hypoaldosteronism?

Prepare for the INBDE Pharmacology Test with flashcards and multiple-choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which is appropriate in response to hypoaldosteronism?

Explanation:
In acute hypoaldosteronism or suspected adrenal crisis, the priority is rapid glucocorticoid replacement with hydrocortisone, which also provides some mineralocorticoid effect. The best initial approach is an intravenous bolus of hydrocortisone hemisuccinate, 100 mg (commonly given as a 2 ml vial). This delivers fast cortisol replacement and supports vascular tone and electrolyte balance while stabilization continues. The IV route and the 100 mg dose are standard for emergent management, with follow-up dosing (for example, 50 mg IV every 6 hours or 100 mg every 8 hours) to maintain replacement. Lower single doses, such as 50 mg or 25 mg, would not be adequate for immediate, life-supporting therapy in this setting.

In acute hypoaldosteronism or suspected adrenal crisis, the priority is rapid glucocorticoid replacement with hydrocortisone, which also provides some mineralocorticoid effect. The best initial approach is an intravenous bolus of hydrocortisone hemisuccinate, 100 mg (commonly given as a 2 ml vial). This delivers fast cortisol replacement and supports vascular tone and electrolyte balance while stabilization continues. The IV route and the 100 mg dose are standard for emergent management, with follow-up dosing (for example, 50 mg IV every 6 hours or 100 mg every 8 hours) to maintain replacement. Lower single doses, such as 50 mg or 25 mg, would not be adequate for immediate, life-supporting therapy in this setting.

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