Incidental fluid seen during kidney biopsy

In a twitter poll asking what the asterisk indicated, only ~55% of the respondents (total 338 votes) answered correctly. This is an image of the left kidney obtained from the […]

Renal allograft and ascites

While evaluating a transplanted kidney, we should pay particular attention to the surgical anatomy, presence of ureteral stent, and perinephric collections in addition to ruling out hydronephrosis. Below are examples […]

IVC and the right pleural effusion

In a twitter poll asking what the arrow was pointing to in this image, only ~54% answered correctly. The correct answer is right pleural effusion. Below illustration explains why the […]

Jellyfish in the pleural effusion after CPR

Here is an image of the right pleural effusion obtained from a dialysis patient who suffered a cardiac arrest and being evaluated by nephrology for continuous renal replacement therapy. Below […]

What is VExUS?

VExUS is venous excess ultrasound grading system intended to quantify systemic venous congestion, which is particularly important in patients with tenuous fluid volume status (e.g. those with right sided heart […]

Basics of Doppler Ultrasound

Doppler ultrasonography (DUS) is used to identify the blood flow, quantify it as well as evaluate the flow pattern. In Nephrology practice, it is mainly used in the assessment of […]

The RV inflow view

It is not always possible to obtain a good apical window to look for tricuspid regurgitation, which is one parameter that we commonly look at in nephrology patients with volume […]