A 59-year-old male with history of CML presents to the emergency department with left sided flank pain. He was sitting in a chair 4 hours ago when the pain suddenly started. The pain has been constant since onset. He appears uncomfortable, with mild tenderness in the LLQ. Testicular exam is normal. What is your presumed diagnosis, and what is the most likely contributor?

The patient with renal injury and respiratory symptoms... Could it be anti-GBM disease? This post looks at this condition and when you should consider it.

This edition of emDocs Cases evaluates patients with end stage renal disease and dialysis. Are you ready for uremic encephalopathy, pericardial tamponade, air embolism, line infections, and more?

Leg edema has a wide differential, but what tests are necessary in the ED? This post seeks answers to this question and more.

A great deal of controversy surrounds the association of IV contrast with acute renal injury. However, a recent study suggests this association is myth rather than fact. This post by Dr. Sinert evaluates this new study and the importance of confounders.

Hemolytic uremic syndrome is a potentially deadly disease, comprised of microangiopathic hemolytic anemia (MAHA), thrombocytopenia, and acute kidney injury (AKI). This post evaluates the pathophysiology, evaluation, and management of HUS.