Behind The Knife: The Surgery Podcast Behind the Knife ABSITE 2025 - Quick Hits 4
Jan 19, 2025
Discover the key to mastering the Glasgow Coma Scale and preventing secondary brain injuries. Learn about ARDS diagnosis and severity grading. Dive into the world of topical burn agents and their effects. Explore crucial concepts in ICU nutrition including the respiratory quotient. Get insights on managing rectal injuries and hepatic bleeding in trauma cases. Plus, uncover strategies for renal lacerations and aortic dissection. This episode is packed with high-yield surgical insights to enhance your exam prep!
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Prevent Secondary Brain Injury
- Avoid secondary brain injury by keeping ICP <20 and maintaining normal oxygenation, ventilation, blood pressure, and temperature.
- Use head elevation, sedation, CSF drains, mannitol or hypertonic saline, and target CPP 50–70 when needed.
Berlin Criteria For ARDS
- Diagnose ARDS with bilateral noncardiogenic opacities, acute onset <1 week, and PaO2/FiO2 <300.
- Grade severity: mild 200–300, moderate 100–200, severe <100.
Pick Topical For Burns Carefully
- Choose burn topicals by penetration and coverage: silver sulfadiazine has limited eschar penetration and gaps against some GNRs.
- Avoid sulfadiazine in sulfa allergy or G6PD; silver nitrate causes electrolyte issues; mafenide penetrates but causes pain and metabolic acidosis.
