Tony Breu (@tony_breu)

1/ Should I consider atrial fibrillation a risk factor for pulmonary embolism? If the right atrium is fibrillating, can’t thrombus form? And if it does, can’t it migrate to the pulmonary vasculature, leading to a pulmonary embolism? Let's examine these questions......

1/18 🤔Why is the BUN/Cr elevated in upper gastrointestinal bleeding? This question has been covered by @AdamRodmanMD and @WilliamAird4 but the literature is SO FASCINATING that I had to review it myself....