Rejected at 8:44 a.m. Oct, 04, 2024 ] by Ahmed7
Author: michaelhafen
Related Note: 1496599433184 8
Rationale for change

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Midshaft fracture of the humerus
- Damage of the nerve in the spiral groove of the humerus; deep brachial artery is at risk of damage
- Triceps brachii are spared and sensory nerves over posterior arm / forearm are unaffected (nerves that supply these have already been given off); thus supination is the most impacted

Compression of the axilla
- Due to incorrect use of crutches or passing out with arm over chair

Radial head subluxation ("nursemaids elbow")
- Longitudinal traction applied to an extended an pronated arm (e.g., by nursemaid pulling vigorously at childs arm) can lead to annular ligament slipping over the head of the radius and impinging deep radial nerve
- Causes lateral elbow pain, weakness, no sensory deficits or wrist drop

Finger Drop
- Repetitive pronation / supination of forearm (e.g., screwdriver use)
- Palsy in deep radial nerve (extensors of finger and wrist)


Lecture Notes
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Missed Questions
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Pathoma
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Boards and Beyond
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First Aid
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Sketchy
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Sketchy 2

Watch Common Pediatric Fractures
Sketchy Extra
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Picmonic
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Pixorize
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Physeo
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Bootcamp
Watch associated Bootcamp video - Shoulder and Elbow: Humerus Fractures 

Watch associated Bootcamp video - Brachial Plexus Nerves and Lesions: Radial Nerve
OME

Additional Resources


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#AK_Step1_v12::#AMBOSS::S3ay34 #PANCE::MSK::upper_extremity_disorders #AK_Step1_v12::#Bootcamp::Musculoskeletal::09_Shoulder_&_Elbow::04_Humerus_Fractures #AK_Step1_v12::#UWorld::COMLEX::25433 #AK_Step2_v12::#Resources_by_rotation::Neuro::step1_neuro::step_1_neuro_zanki !AK_UpdateTags::AnKing_Image::AhmedA #AK_Step1_v12::#UWorld::Step::8579 #AK_Step1_v12::#FirstAid::11_Musculoskeletal_Skin_and_Connective_Tissue::01_Anatomy_and_Physiology::01_Upper_extremity_nerves::*Nerves::Radial_Nerve #AK_Step1_v12::#OME_banner #PANCE::EOR::EM #AK_Step2_v12::Original_decks::Zanki_Step_2::Neuro::Step_1_Neuro !AK_UpdateTags::Step1decks::Zanki-Step-Decks::Zanki-Musculoskeletal::Musculoskeletal-Anatomy/Physio-(Nutricionado) #AK_Step2_v12::#Resources_by_rotation::Peds::nbme::form_3 #AK_Step2_v12::#Subjects::Orthopedics_&_Rheumatology::01_Anatomy::02_Upper_Limb::Humerus #AK_Step1_v12::^Other::^HighYield::1-HighYield #AK_Step1_v12::#Physeo::02_Anatomy::08_MSK::03_Radial_&_Long_Thoracic_Nerves #AK_Step2_v12::!Shelf::Surgery #AK_Step1_v12::#UWorld::Step::6722 #AK_Original_Decks::Step_1::Zanki_Step_Decks::Zanki_Musculoskeletal::Musculoskeletal_Anatomy/Physio_(Nutricionado) #AK_Step1_v12::^Systems::Musculoskeletal::Anatomy #AK_Step1_v12::#NBME::18 #AK_Step1_v12::#FirstAid::11_Musculoskeletal_Skin_and_Connective_Tissue::01_Anatomy_and_Physiology::04_Brachial_plexus_lesions::*Radial_Nerve_Lesion_Saturday_Night_Palsy #AK_Step2_v12::Original_decks::Dorian::surg::devirgilio::ortho #AK_Step2_v12::!Shelf::Neuro #AK_Step1_v12::#UWorld::#UWSA2 #AK_Step1_v12::^Other::^FA_Updates::FA2018 #AK_Step1_v12::#B&B::14_MSK::01_Anatomy_and_Orthopedics::03_Brachial_Plexus::Extra #AK_Step1_v12::#UWorld::COMLEX::24796 #AK_Step2_v12::#SketchyPeds::13_Orthopedics::02_Injuries::02_Common_Pediatric_Fractures #AK_Step1_v12::#OME_banner::Clinical::20_Primer:_Methods_for_Success #AK_Step1_v12::^Other::^EXPN::BGadd #AK_Step1_v12::#UWorld::Step::1685 #AK_Step2_v12::#Resources_by_rotation::Surgery::devirgilio_dorian::ortho #AK_Step1_v12::#Bootcamp::Musculoskeletal::08_Brachial_Plexus_Nerves_&_Lesions::04_Radial_Nerve