Free ultrasound guides
Short, clinically focused guides — each with a live simulator you can play with right on the page.
The FAST exam, explained by actually doing itHow to perform a FAST exam: RUQ, LUQ, pelvic and subxiphoid views, what a positive scan looks like, common pitfalls — with a live ultrasound simulator you can try.Morison’s pouch on ultrasoundWhat Morison’s pouch (the hepatorenal space) looks like on ultrasound, how to find it, and how to recognise free fluid — with an interactive simulator.Lung sliding on ultrasoundWhat lung sliding is, how to see it with a linear probe, the bat sign, seashore sign, and why absent sliding suggests pneumothorax. Try it in a live simulator.A-lines vs B-linesThe difference between A-lines and B-lines on lung ultrasound, how many B-lines are abnormal, and what they mean — with real images and a live simulator.Diagnosing pneumothorax with ultrasoundUltrasound signs of pneumothorax: absent lung sliding, absent B-lines, barcode sign and lung point. Where to scan and the common false positives.Pleural effusion on ultrasoundHow to find a pleural effusion with ultrasound: the flank view, anechoic fluid above the diaphragm, the spine sign and floating lung. Live simulator and real clips.Pericardial effusion and tamponade on ultrasoundHow to see a pericardial effusion on bedside echo (subxiphoid and parasternal views) and the ultrasound signs of tamponade. Interactive beating-heart simulator.The parasternal long axis viewHow to obtain the parasternal long axis (PLAX) echo view, probe position and orientation, and the structures you should identify — with a live beating-heart simulator.The apical four-chamber viewHow to find the apical four-chamber echo view, what normal looks like, and how to assess the RV and LV — with an interactive simulator.Abdominal aortic aneurysm on ultrasoundHow to scan the abdominal aorta at the bedside, how to measure it (outer wall to outer wall), and when it’s an aneurysm. Try the calipers in a live simulator.Gallstones and cholecystitis on ultrasoundWhat gallstones look like on ultrasound (bright, shadowing, mobile), the signs of acute cholecystitis, and how to find the gallbladder. Interactive simulator and real scans.Hydronephrosis on ultrasoundWhat hydronephrosis looks like on ultrasound, how it differs from renal cysts, and how to use the bladder to find the cause. Live simulator and real images.Two-point compression ultrasound for DVTHow to perform two-point compression ultrasound for deep vein thrombosis: where to scan, how hard to press, and what a positive study looks like. Try compressing a vein yourself.The IVC on bedside ultrasoundHow to scan the inferior vena cava, what IVC size and respiratory collapse suggest about right atrial pressure, and the big caveats.Linear, curvilinear or phased array?The three ultrasound probes explained — frequencies, footprints, image shapes and which to use for vessels, lungs, abdomen and heart — plus the probe marker convention.Knobology: the four knobs that matterHow to set ultrasound gain, depth, focus and frequency — with a live simulator so you can turn the knobs and see what happens.Ultrasound artifacts, explainedAcoustic shadowing, posterior enhancement, reverberation (A-lines), B-lines, mirror image and edge artifacts — why they happen and how they help diagnosis.Measuring bladder volume with ultrasoundHow to measure bladder volume at the bedside (L × W × H × 0.52), with transverse and longitudinal views — try the calipers in a live simulator.
Want the whole course? 18 interactive lessons, 8 mystery patients and a 3D scanning simulator.
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