<prompt> Extracardiac manifestation of Quinidine exept?DiarrheaCongestive cardiac failureCinchonismThrombocytopenia  <response>: ANSWER: B Congestive cardiac failureREF: Goodman8t Gillman 12th chapter 28, Katzung 12th edition page 240Non cardiac manifestation of quinidineCardiac adverse effects1. Diarrhea is the most common adverse effect2. Immunological reaction like G6PD deficiency, thrombocytopenia, hepatitis, angioneurotic edema3. Cinchonism Syndrome of headache, dizzeness and tinnitus1. QTc prolongation and torsades de pointes2-8 patients2. Aggravate heart failure3. Quinidine induced ventricular tachycardia is unusual 