DASI (Duke Activity Status Index): A 12-item questionnaire that accurately estimates functional capacity (peak VO2 and METs), widely used in pre-operative risk assessment.
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Last Review: 2026-07-17
Hlatky MA et al. • Am J Cardiol.. 1989;64(10):651-4. The landmark paper that derived the formula Peak VO2 = (0.43 × DASI) + 9.6.
Wijeysundera DN et al. • Lancet.. 2018;391(10140):2631-2640. Demonstrated that a DASI score < 34 (roughly < 4 METs) strongly predicts 30-day myocardial injury and death.
Last Comprehensive Review: 2026-07-17
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