A veteran reports that in combat several years ago he was se…

A veteran reports that in combat several years ago he was severely wounded from a land mine, but without a loss of consciousness during the injury. He has minimal physical disability from his injuries, but since then he has been drinking heavily, and his wife left him last year. Shortly after the injury, he began experiencing flashbacks and vivid dreams that awaken him from sleep at least twice a week. He is always on edge, alert to the slightest sound, and he makes every attempt to avoid movies containing war imagery. What is the most likely diagnosis?

A 25-year-old woman, presents to the emergency department co…

A 25-year-old woman, presents to the emergency department complaining of severe flu-like symptoms and intense cravings. She reports a history of substance abuse. Over the last week, she describes experiencing severe muscle aches, nausea, vomiting, diarrhea, sweating, and chills. On physical exam, you note mydriasis, restlessness, and yawning. Based of this information, which substance is the patient withdrawing from?