OrthoHub

orthopedic surgery pearls for residents, interns and med students. runned by @Bayounis , @Basmah_Dhafar and @Maithams

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Salter harris :)

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Algorithm of managing nerve injuries in closed fractures.

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A pt with history of bilateral hand amputation after the Krukenberg Procedure.

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Dear orthopod. Do you know the Krukenberg Procedure?? You're welcome. http://t.co/cZOApCcTYR

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muscle contractions concentric=shortening , eccentric =elongating and isometric= no change in muscle length.

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Radiographic wrist evaluation. A detailed article. http://t.co/0H8wSPhKhU

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De Quervain disease: tenosynovitis of the extensor pollicis brevis and abductor pollicis longus tendons.

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intrinsic hand ms. supplied by median nerve "LOAF" lateral 2 lumbricals, opponens pollicis, abductor pollicis brevis, flexor pollicis brevis

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Another sign of scapholunate dissociation is the signet ring sign due to rotation of scaphoid bone.

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Scapholunate dissociation sign = widening b/w the two carpals. Named after the comedian Terry Thomas' teeth.

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Carpal bones

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How to remember the Carpal bones ?

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Antibiotics mechanism of action

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Carpal tunnel contains one nerve and nine tendons (median nerve + 4 FDS tendons + 4 FDP tendons + FPL tendon).

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Brachial plexus motor and sensory supply

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Osteogenesis Imperfecta: associated blue sclera "type 1&2". Hearing defect mainly in type 1

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Osteogenesis Imperfecta: most lethal form is type 2 with perinatal death. Most severe survivable form is type 3.

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Osteogenesis Imperfecta: Col1A1 and Col1A2 defect. >> Type1&4 are autosomal dominant .. Type 2&3 are autosomal recessive.

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Watch this video to help you with remembering the elbow ossification centers http://t.co/WpYZ7jNqz9