Contributor: Nick Hatch, MD Educational Pearls: “Smiling Death” describes the prehospital phenomenon of a person who is happy to be extricated from an extended period of crush injury, but dies suddenly soon after the rescue.   Smiling Death is caused by Crush Syndrome. Crush Syndrome begins when large areas of tissue are damaged by compression and…

Contributor: Aaron Lessen, MD Educational Pearls: Pulse pressure is the difference between the systolic and diastolic blood pressure, normal is about 40 A narrow pulse pressure is generally thought of as less than 30 mmHg which may signal peripheral vasoconstriction in response to lower blood volumes 2020 study examined hypotension and narrow pulse pressure in…

Contributor: Aaron Lessen, MD Educational Pearls: Biggest study to date examined new protocol for repeat head CT in anticoagulated elderly patients with head trauma and an initial negative head CT 0.5%-6% of patients in this category will get a delayed ICH and this can occur up to a week out from initial injury 18% of…

Contributor: Aaron Lessen, MD Educational Pearls: Study evaluating patient outcomes after traumatic brain injury (TBI) over 1 year Trial followed patients with severe TBI (GCS 3-8) and moderate TBI (GCS 9-12) At 1 year out ½ of the severe TBI group were able to be independent for at least 8 hours per day; ⅔ were…

Contributor: Peter Bakes, MD Educational Pearls: Pelvis is comprised of the iliac, ischium, and sacrum Three mechanisms for pelvic fractures by Young-Burgess Classification Anterior-posterior compression causing open-book pelvic fractures that can be complicated by retroperitoneal bleeding or urethral injury Lateral compression causing rami fractures Vertical sheer causing offset of sacroiliac joint or sacrum Mechanically stable…

Contributor:  Adam Barkin, MD Educational Pearls: Represents less than 1% of all fractures that occur, although it has a significant mortality rate of 2-5% Typically occurs in high-energy trauma and are commonly associated with high injury severity scores and other fractures Concomitant Injuries: 50% have rib fracture 25% have clavicle fracture 30% have a spine…