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Suture Sizes

Before learning HOW to stitch tissues or tie knots, one must understand the available options so the right decision can be made for a...

Catheter Sizing – French Versus Gauge

Whether it's a 1.88 inch long 20 gauge peripheral intravenous (PIV) catheter or a 13.5 French Mahurkar dialysis catheter, healthcare workers are...

ProtekDuo® Veno-Venous Cannula

The ProtekDuo® veno-venous (V-V) dual lumen cannula permits a form of extracorporeal mechanical circulatory support using an oxygenator and, when combined with a TandemHeart®...

Re-expansion Pulmonary Edema

Re-expansion pulmonary edema is a rare but relevant consideration after a large volume thoracentesis. It's a consequence of the rapid expansion of a previously...

Ultrasound Pleural Effusion And Spine Sign

In this ultrasound still image, I have a phase array probe positioned on the left side of the body around the 8th rib. A...


I'm a cardiothoracic anesthesiology fellow and double board certified intensivist and anesthesiologist at Harvard looking to improve medical education, diagnostics, and patient safety while promoting team-based, patient-centered care.