Medical Knowledge

An Incarcerated Individual With Weight Loss and Interstitial Pulmonary Infiltrates

A man with HIV had syncopal episodes and hypoxemia after recent exposure to SARS-CoV-2; computed tomography revealed diffuse bilateral pulmonary micronodular opacities, a 2.2-cm nodule in the lingula, and mediastinal and hilar lymphadenopathy. What is the diagnosis and what would…

Unraveling Wavy ST Segments – An Unusual Case of Syncope

This case report describes a patient in their 60s with gastroesophageal reflex disease who presented to the emergency department after loss of consciousness during dinner and daily intermittent chest discomfort.

Segmental Skin Induration in a Boy

An 11-year-old boy presented with progressive unilateral skin hardening on his right thigh and buttock for 7 years. What is your diagnosis?  

NAS and NOWS, Part 2

The diagnosis of a substance use or opioid use disorder during pregnancy is linked to complications for the mother, fetus, and newborn. Chronically drug exposed fetuses are at high risk for neonatal abstinence syndrome (NAS) or neonatal opioid withdrawal syndrome…

NAS and NOWS, Part 1

The diagnosis of a substance use or opioid use disorder during pregnancy is linked to complications for the mother, fetus, and newborn. Chronically drug exposed fetuses are at high risk for neonatal abstinence syndrome (NAS) or neonatal opioid withdrawal syndrome…

Diagnostic Safety, Part 1: The Basics

This overview of the discipline of diagnostic safety gives information about the number of diagnostic errors that occur each year in the US. It discusses barriers that make diagnostic errors more likely and presents strategies for making diagnosis safer.