Aortic Dissection Detection Risk Score

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ADD-RS Calculator

Aortic Dissection Detection Risk Score, ADD-RS

Clinical safety note: This calculator is for clinical education and decision support only. It does not diagnose or independently rule out aortic dissection. Patients with suspected acute aortic syndrome may require urgent senior review and definitive imaging.

ADD-RS gives 1 point for each positive category: high-risk condition, high-risk pain feature, and high-risk examination feature. Total score ranges from 0 to 3.

1. High-risk conditions

Score +1 if any item in this section is present.

2. High-risk pain features

Score +1 if any item in this section is present.

3. High-risk examination features

Score +1 if any item in this section is present.

Optional D-dimer

Optional: enter D-dimer if available. The commonly used ADvISED pathway used D-dimer <500 ng/mL as negative. Confirm local units, especially FEU vs DDU.

References

  1. Rogers AM, et al. Sensitivity of the Aortic Dissection Detection Risk Score: International Registry of Acute Aortic Dissection. Circulation. 2011.
  2. Nazerian P, et al. Diagnostic Accuracy of ADD-RS Plus D-dimer for Acute Aortic Syndromes: The ADvISED Prospective Multicenter Study. Circulation. 2018.
  3. Isselbacher EM, et al. 2022 ACC/AHA Guideline for the Diagnosis and Management of Aortic Disease. Circulation. 2022.

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