ACMT Toxicology Visual Pearls: Drug-Induced QT Prolongation Which over-the-counter medication can be associated with these EKG findings in overdose? Aspirin Guaifenesin Loperamide Pseudoephedrine Senna (more…) By Anthony Pizon, MD, FACMT|2019-11-12T19:07:06-08:00Oct 16, 2017|ACMT Visual Pearls, Tox & Medications| Read More