Loperamide Induced Cardiotoxicity Take the case of a 34-year-old female with a psychiatric history who presents to your emergency department with a chief complaint of lightheadedness. As you, the pharmacist, and the emergency medicine physician are at the bedside examining the patient and asking her questions about her present symptoms and past medical history, you observe that the patient becomes short of breath, and you notice that the EKG monitor suddenly changes from normal sinus [...]