<prompt> Ebsteins anomaly may be a complication of which drug when used during first trimester of pregnancy:Sodium valproateLamotrigineLithium carbonateCarbamazepine  <response>: Ans. C. Lithium carbonate Teratogenic effect of Lithium: cardiac defect - Ebstein anomaly Apical displacement of septal posterior tricuspid valve arterialization of right ventricle 