II. Criteria

  1. PE more likely than alternatives: 3.0 points
  2. Deep Vein Thrombosis (DVT) suspected: 3.0 points
  3. Tachycardia (pulse >100 beats per minute): 1.5 points
  4. Surgery or immobilization in last 4 weeks: 1.5 points
  5. Prior DVT or Pulmonary Embolism: 1.5 points
  6. Hemoptysis: 1.0 points
  7. Active malignancy: 1.0 points

III. Interpretation

IV. Interpretation: Simplified

  1. Score 4 or less: Unlikely
  2. Score >4: Likely
  3. D-Dimer negative with "unlikely" score safely excludes Pulmonary Embolism

VI.

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