Risk Score of Drenthen et al for Cardiac Complications in a Woman with Congenital Heart Disease Who Completes a Pregnancy (ZAHARA Score)

Does the patient have a history of arrhythmias?

Was the patient treated with cardiac drugs prior to the pregnancy?

Is there left heart obstruction?

Does the patient have a mechanical valve prosthesis?

Does/Did the patient have cyanotic heart disease (corrected or uncorrected)?

NYHA class prior to pregnancy

Systolic AV valve regurgitation

Pulmonary AV valve regurgitation