SSC Second-Line Vasopressor — FRCA Final MCQ

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ModerateIntensive Care MedicineSSC Second-Line VasopressorFRCA Final

Septic shock on noradrenaline 0.5 mcg/kg/min, MAP 58 despite 30 mL/kg crystalloid. SSC 2021 next vasopressor?

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Correct answer: A — Vasopressin 0.03 units/min

SSC 2021: vasopressin (≤0.03 U/min) as second-line when noradrenaline insufficient. Acts on V1 receptors via non-catecholamine pathway. Effective in sepsis where relative vasopressin deficiency exists. Dobutamine only for myocardial dysfunction.

Reference: SSC – 2021 – Guidelines for sepsis and septic shock