Dislocated shoulder

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Dislocated shoulder

Musculoskeletal system

Pediatric musculoskeletal conditions

Radial head subluxation (Nursemaid elbow)

Developmental dysplasia of the hip

Legg-Calve-Perthes disease

Slipped capital femoral epiphysis

Transient synovitis

Osgood-Schlatter disease (traction apophysitis)

Musculoskeletal injuries and trauma

Rotator cuff tear

Dislocated shoulder

Radial head subluxation (Nursemaid elbow)

Winged scapula

Thoracic outlet syndrome

Carpal tunnel syndrome

Ulnar claw

Erb-Duchenne palsy

Klumpke paralysis

Iliotibial band syndrome

Unhappy triad

Anterior cruciate ligament injury

Patellar tendon rupture

Meniscus tear

Patellofemoral pain syndrome

Sprained ankle

Achilles tendon rupture

Spondylolysis

Spondylolisthesis

Degenerative disc disease

Spinal disc herniation

Sciatica

Compartment syndrome

Rhabdomyolysis

Bone disorders

Osteogenesis imperfecta

Craniosynostosis

Pectus excavatum

Arthrogryposis

Genu valgum

Genu varum

Pigeon toe

Flat feet

Club foot

Cleidocranial dysplasia

Achondroplasia

Osteomyelitis

Bone tumors

Osteochondroma

Chondrosarcoma

Osteoporosis

Osteomalacia and rickets

Osteopetrosis

Paget disease of bone

Osteosclerosis

Lordosis, kyphosis, and scoliosis

Joint disorders

Osteoarthritis

Spondylosis

Spinal stenosis

Rheumatoid arthritis

Juvenile idiopathic arthritis

Gout

Calcium pyrophosphate deposition disease (pseudogout)

Psoriatic arthritis

Ankylosing spondylitis

Reactive arthritis

Spondylitis

Septic arthritis

Bursitis

Baker cyst

Muscular disorders

Muscular dystrophy

Polymyositis

Dermatomyositis

Inclusion body myopathy

Polymyalgia rheumatica

Fibromyalgia

Rhabdomyosarcoma

Neuromuscular junction disorders

Myasthenia gravis

Lambert-Eaton myasthenic syndrome

Other autoimmune disorders

Sjogren syndrome

Systemic lupus erythematosus

Mixed connective tissue disease

Antiphospholipid syndrome

Raynaud phenomenon

Scleroderma

Limited systemic sclerosis (CREST syndrome)

Musculoskeletal system pathology review

Back pain: Pathology review

Rheumatoid arthritis and osteoarthritis: Pathology review

Seronegative and septic arthritis: Pathology review

Gout and pseudogout: Pathology review

Systemic lupus erythematosus (SLE): Pathology review

Scleroderma: Pathology review

Sjogren syndrome: Pathology review

Bone disorders: Pathology review

Bone tumors: Pathology review

Myalgias and myositis: Pathology review

Neuromuscular junction disorders: Pathology review

Muscular dystrophies and mitochondrial myopathies: Pathology review

Assessments

Dislocated shoulder

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Dislocated shoulder

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Questions

USMLE® Step 1 style questions USMLE

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USMLE® Step 2 style questions USMLE

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A 44-year-old man presents to his primary care physician with worsening left shoulder pain. He can no longer do bench presses or shoulder presses at the gym due to weakness and pain. The pain is primarily located over the lateral shoulder, is worse at night, and is preventing him from obtaining adequate rest. Past medical history is otherwise unremarkable. He has no history of recent trauma or surgeries to the left shoulder. The patient subsequently undergoes a MRI of the left shoulder, which reveals the following:  


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Which of the following physical examination maneuvers is most likely to yield a positive test, given this patient’s clinical findings?  

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Summary

A dislocated shoulder is a condition in which the head of the humerus is displaced out of its socket located on the scapula called the glenoid fossa. This can happen due to a fall, a direct blow, or other types of trauma. Symptoms include severe pain, swelling, and bruising.

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