SurgeNote

Nerve injury

Wrist Drop: Radial nerve injury Claw Hand: Ulnar nerve injury Hand of Benediction: Median nerve injury Mnemonic: DR. CUMA DROP = RADIAL • CLAW = ULNAR • MEDIAN = APE

Ulnar nerve injury: Causes claw hand ✅ Radial nerve injury: Causes wrist drop ✅ Mnemonic to remember: “MUR” Median → Man’s thumb (ape hand) Ulnar → Unclenched fist (claw hand) Radial → Raise no more (wrist drop) 🖐️

Morton's Neuroma - Everything You Need To Know - Dr. Nabil Ebraheim

Bernese fracture ✅ Fracture of the acetabulum (hip socket). 🦴 Mnemonic Bern sees the hip socket broken 🏀 Think of acetabulum as the cup of a Bernese cup holding the femoral head. Key Point: Often occurs due to high-energy trauma, e.g., dashboard injury in car accidents.

POP sets up fast like a ‘pop’ of gypsum turning solid! 🎉 Other options: 1. Gypsum: naturally occurring 2. CaSO₄·2H₂O (dihydrate) 3. Quicklime: CaO, used in cement 4. Limewater: Ca(OH)₂ solution, not used as plaster.

“P for Posterior → PCL → Posterior drawer positive, Posterior sag” 🦵⬇️

63. An 18-year-old football player is injured during a football game. He is unable to stand up. The physical exam reveals a positive posterior drawer test. X-rays reveal a significant amount of soft tissue swelling but no bone fracture.

RADial wraps the humerus like a spiral ribbon 🎀 Shaft → Radial nerve injury

Radial nerve injury → wrist drop Median nerve injury → ape hand Peroneal nerve injury → foot drop Mnemonic: “RUMF” – Radial → Wrist drop, Ulnar → Claw, Median → Ape hand, Fibular → Foot drop 🖐️🦶

Ulnar nerve → claw hand ✅ Radial nerve → wrist drop ✅ Femoral nerve → quadriceps weakness ✅ Mnemonic for upper limb nerves: “MURD” – Median → Ape hand, Ulnar → Claw, Radial → Wrist drop