A patient presents to the emergency room (ER) intoxicated wi…

A patient presents to the emergency room (ER) intoxicated with an unknown substance. He presents with ataxia and is highly somnolent on mental status examination, with low blood pressure, heart rate, and respiratory rate. Which of the following substances is the toxicology screen most likely to come back positive for?

A 17-year-old girl has a 3-year history of major depressive…

A 17-year-old girl has a 3-year history of major depressive disorder and intermittent suicidal thoughts. She discloses that she has new intermittent thoughts of cutting and made one very superficial cut with her razor a week ago, following a fight she had with her boyfriend. She denies current acute suicidal ideation. What is the most important next step in your clinical management?