Lithium exposure during pregnancy.    Benzodiazepine use. Second-hand cigarette smoke exposure at home. Family history of congenital heart defect (CHD).
What factors increase the risk of Ebstein's anomaly of the tricuspid valve?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What factors increase the risk of Ebstein's anomaly of the tricuspid valve? [/INST] \n Lithium exposure during pregnancy.    Benzodiazepine use. Second-hand cigarette smoke exposure at home. Family history of congenital heart defect (CHD).</s>