Tested on Gulf Medical Boards (DHA, SMLE, MOH & HAAD)
Clinical calculations and diagnostic scoring systems like Duke Treadmill Score (DTS) frequently appear on Prometric exams. Master high-yield clinical vignettes with instant AI-powered pathophysiology rationales.
What is the Duke Treadmill Score (DTS)?
The Duke Treadmill Score (DTS) is an evidence-based clinical decision rule engineered to quantify diagnostic probability, stratify clinical severity, and guide therapeutic decision-making in cardiology practice. The Duke Treadmill Score (DTS) uses the duration of exercise (Bruce protocol), maximum ST segment deviation, and angina symptoms to estimate a patient's risk of ischemia and 5-year survival. Clinical scoring tools like Duke Treadmill Score (DTS) are essential in acute and outpatient management, enabling clinicians to objectively differentiate between low-risk candidates suitable for conservative therapy and high-risk patients requiring urgent interventions. Verified against current 2026 clinical standards, this tool is extensively tested on Gulf health authority licensing exams including DHA (Dubai), SMLE (Saudi Arabia), MOH, HAAD/DOH (Abu Dhabi), OMSB (Oman), and QCHP (Qatar).
💡Clinical Pearls & Diagnostic Utility
Provides a standardized, validated method to translate a stress test report into a quantitative risk category, aiding in the decision to proceed to cardiac catheterization.
Formula & Calculation Parameters
The mathematical equation and clinical variables required to calculate Duke Treadmill Score (DTS):
Score Interpretation & Clinical Stratification
| Score Range | Clinical Interpretation | Risk Tier |
|---|---|---|
| ≤ -11 | High Risk | red |
| -10 – 4 | Moderate Risk | yellow |
| ≥ 5 | Low Risk | green |
When to Exercise Caution
Only valid for the standard Bruce protocol. Less accurate in patients > 75 years old, women, and those with baseline ECG abnormalities (e.g., LBBB, LVH).
Clinical Review Board
Dr. Muhammad Nouman, MBBS
Capital Medical University | PMDC Reg No: 117744-P
Clinical Audit Status
✓ Verified for 2026 Guidelines
Last updated: 2026-08-07
Peer-Reviewed Medical Literature
- •Mark DB, Hlatky MA, Harrell FE Jr, et al. Exercise treadmill score for predicting prognosis in coronary artery disease. Ann Intern Med. 1987;106(6):793-800.
Related Cardiology Calculators & Scoring Tools
Explore related clinical calculators, risk stratification indexes, and diagnostic scoring algorithms in Cardiology:
Wells' Criteria for DVT
Calculates the pre-test probability of Deep Vein Thrombosis.
CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk
Calculates stroke risk for patients with atrial fibrillation.
HAS-BLED Score
Assesses bleeding risk in patients on anticoagulation therapy.
qSOFA Score
Quick Sequential Organ Failure Assessment for sepsis risk.
Centor Score
Estimates probability of streptococcal pharyngitis.
Mean Arterial Pressure (MAP)
Calculate MAP based on Systolic and Diastolic Blood Pressure.