CARPREG II Cardiac Risk in Pregnancy
CARPREG II score (Silversides 2018): weighted maternal cardiac risk factors predicting the risk of a cardiac complication in pregnancy.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Prior cardiac events or arrhythmias
- Yes
- NYHA III-IV or cyanosis
- Yes
Result: CARPREG II 6 — ~41% cardiac-complication risk (> 4).
The tool opens with these values already filled in. Replace them with your own.
What the result means
- 0-1
- ~5% cardiac-complication risk.
- 2-4
- ~10-22%.
- > 4
- ~41% (weighted maternal cardiac risk factors). A risk index, not a diagnosis.
What you enter
- Prior cardiac events or arrhythmias (3)
- NYHA III-IV or cyanosis (3)
- Mechanical heart valve (3)
- Systemic ventricular dysfunction (EF < 40%) (2)
- High-risk left-sided valve / LVOT obstruction (2)
- Pulmonary hypertension (2)
- High-risk aortopathy (2)
- Coronary artery disease (2)
The other 2 fields
- No prior cardiac intervention (1)
- Late pregnancy assessment (> 20 wk) (1)
How this is calculated
Silversides CK, Grewal J, Mason J, et al. Pregnancy outcomes in women with heart disease: the CARPREG II study. J Am Coll Cardiol. 2018;71(21):2419-2430. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.