January 24, 2019


The comet tail artefact is a commonly misused term to describe any vertical artefact seen in lung ultrasound (LUS). However there are many types of vertical artefacts with varying physical gene...

March 28, 2016

A1.  Ultrasound shows dissection flap and a small pericardial effusion.



A2. CT scan shows a Type A aortic dissection. Also noted is multiple cysts in the liver and kidney


A3. Polycystic Kidney diseas...

January 27, 2016

ANSWER: The Curtain Sign.


This is created by a fully expanded lung,  covering the lateral aspect of the diaphragm as the person breathes, much likened to a curtain being drawn back and forth.  When de...

April 4, 2015



A urinary calculi stuck in the penile urethra! The clips in action make the diagnosis painfully clear. 





Urethral stones are a rare occurrence, and account for less t...

February 24, 2015

Grossly there is widening of the optic nerve sheath, measurement demonstrates significant widening. This finding was consistent with the subsequent CT brain which demonstrated a massive intracranial h...

February 15, 2015

Well this looks like a good segue from the previous case of the week, "White Lung on CXR." We also did not perform thoracentesis because there is a more explanatory cause of his symptoms revealed on b...

February 10, 2015

We didn’t. There was slight tracheal deviation towards the patient’s right, towards the side of the white lung, unusual for a massive pleural effusion. Instead, we sound the patient’s right upper quad...

February 2, 2015

The Master is none other than the Patient herself, of course. 


We passed the probe to her, asked her to put it at the point of maximal tenderness, and watched the ultrasound monitor. When she stopped,...

January 26, 2015

We didn’t.


The AXR was read by both the emergency physician and radiologist as normal. There was no radiological evidence of intestinal obstruction; until we put the ultrasound probe on the patient’s...

January 19, 2015

The patient has a large thrombus (red arrow) touching the mid anterior septal wall! This came as a surprise to us, as the patient insisted he had been well (even after direct questioning after the ech...

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The Ring Down Artefact: B-lines

January 24, 2019

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