Another week has passed and thanks to all those returning to our blog.

We present another #FridayImageChallenge. All cases provided by our very-own residents! Thanks this week to Spencer Carter, PGY2.

43yo man pmh HIV off HAART for 1 year presents w/ crushing substernal chest pain for the last 4 hours, worsens w/ exercise. He reports n/v/diarrhea for the last 4 days, unknown bloody vs. non-bloody.

ECG below: pericarditis