Index of suspicion.
D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004110:Diltiazem / Q000627:therapeutic use; D004452:Echocardiography; D006801:Humans; D007008:Hypokalemia / Q000175:diagnosis* / Q000188:drug therapy / Q000235:genetics; D008297:Male; D010100:Oxygen / Q000627:therapeutic use; D010245:Paralyses, Familial Periodic / Q000175:diagnosis* / Q000188:drug therapy / Q000235:genetics; D011188:Potassium / Q000627:therapeutic use; D012640:Seizures / Q000209:etiology*; D013575:Syncope / Q000209:etiology*; D014262:Tricuspid Valve Insufficiency / Q000150:complications / Q000175:diagnosis* / Q000628:therapy*; D014402:Tuberous Sclerosis / Q000150:complications / Q000175:diagnosis* / Q000628:therapy; D014859:Warfarin / Q000627:therapeutic use
D014859:Warfarin; D004110:Diltiazem; D011188:Potassium; D010100:Oxygen