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Anaesthesia · Critical care, resuscitation, and emergency principles: curriculum recognition
Sample itemAfter 30 mL/kg of crystalloid for pneumonia with infection, a patient still needs noradrenaline to keep the mean arterial pressure at 65 mmHg, and the serum lactate is 3.5 mmol/L. Which diagnosis fits?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Septic shock
By the Sepsis-3 definition, septic shock is sepsis with persistent hypotension needing vasopressors to maintain a mean pressure of 65 mmHg and a lactate above 2 mmol/L despite adequate fluid. Sepsis alone does not need vasopressors for circulatory failure.
Option by option
A. Systemic inflammation without infection
There is a documented infection, so this is not a non-infective inflammatory state.
B. Septic shock (correct)
Correct. Vasopressor dependence with a raised lactate despite fluids defines this condition.
C. Sepsis without circulatory failure
Sepsis without circulatory failure would not need a vasopressor after fluid.
D. Hypovolaemic shock from occult bleeding
The background of infection and the response to vasopressor point to a septic cause, not bleeding.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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