A female patient, with a previous history of an ectopic pregnancy, presents to the ED with abdominal pain and vaginal bleeding following a positive home pregnancy test. What is the likelihood that the patient is experiencing a second ectopic pregnancy? Read this week's review to find out.

This week from Core EM and Dr. Swaminathan we bring you superficial venous thrombosis.

Fentanyl and fentanyl derivatives are causing a spike in overdose deaths, whereas deaths from prescription opioids are stabilizing. Patients overdosing on novel synthetic opioids or "designer opioids" can require high doses of naloxone. Health care personnel can be at risk for exposure without proper protection.

Learn about this rare variant of an outer ear infection, so you pick it up based on your history and exam to avoid downstream complications!

What is DRESS syndrome, and when should you consider this condition? This post evaluates this disease and provides key pearls and pitfalls.

Can you predict if a patient will respond to IV fluids? Isn't IVC US the go-to method? Read on to find out how to predict whether your patient will respond to IV fluids.

A 65-year-old male with epididymitis has been compliant with his antibiotic therapy for 4 days duration, but remains symptomatic. Is it time to consider an alternative diagnosis? Read this week's review to find out.

Painless monocular vision loss: what's on your differential? Let's take a minute to review central retinal vein occlusion.