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Anaesthesia · Preoperative assessment: functional capacity
Sample itemA patient cannot climb two flights of stairs without stopping. How is this functional capacity classified?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Poor, below 4 METs, so higher perioperative cardiac risk
Inability to climb two flights of stairs or walk uphill indicates less than 4 METs, which is poor functional capacity and raises the chance of perioperative cardiac events. This prompts further testing only if it would change management.
Option by option
A. Cannot be used for risk assessment
Functional capacity is a key step in the cardiac risk algorithm.
B. Poor, below 4 METs, so higher perioperative cardiac risk (correct)
Correct. Under 4 METs is poor capacity.
C. Excellent, above 10 METs
More than 10 METs means very strenuous activity such as swimming.
D. Good, above 7 METs
More than 7 METs would allow climbing stairs briskly.
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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