What are the limitations of the add rs?

While the add rs is highly validated, it should not replace clinical judgment. OpiCalc provides the latest evidence-based limitations for the add rs to ensure safe bedside use and optimal diagnostic accuracy.

How does the add rs compare to other Cardiovascular scores?

The add rs is a gold-standard diagnostic tool. OpiCalc provides side-by-side clinical guidance to help clinicians choose the most specific evidence-based tool for their patient's presentation.

Is the add rs free to use?

Yes. OpiCalc provides the add rs completely ad-free and optimized for mobile bedside use, ensuring you can calculate medical risk swiftly and without distraction.

ADD-RS

ADD-RS: Aortic Dissection Detection Risk Score. Stratifies patients with suspected acute aortic syndrome prior to D-dimer or imaging.

Category 1: Predisposing Conditions (+1 pt if ANY yes)

Marfan syndrome or connective tissue disease

Family history of aortic disease

Known aortic valve disease (e.g., bicuspid valve)

Known thoracic aortic aneurysm

Recent aortic manipulation / surgery

Category 2: Pain Features (+1 pt if yes)

Chest, back, or abdominal pain that is: Abrupt in onset, Severe in intensity, OR Ripping/Tearing

Category 3: Exam Features (+1 pt if ANY yes)

Pulse deficit or systolic BP differential (>20 mmHg)

Focal neurological deficit (with pain)

New murmur of aortic regurgitation

Hypotension or shock state

No clinical reference data available.