The American College of Medical Toxicology (ACMT) collaborates with ALiEM by providing open-access, expert peer-reviewed, toxicology-related pearls using a question-answer approach. The ACMT Visual Pearls Series is led by Drs. Louise Kao and Bryan Judge from the ACMT and Drs. Bryan Hayes and Derek Monette from ALiEM. Guest submissions are welcome at the ACMT site.