– See: – Obstetrical Paralysis: – Upper Trunk Brachial Plexus Injuries in Adults; – Discussion: – most common birth related neuropraxia (about 48%); – lesion of C5 & C6 roots are usually produced by widening of the head shoulder interval (in some cases C7 is involved as … Read more
– See: Anterior Interosseous Nerve Sydrome: – Site of Proximal Forearm Compression; – supracondylar process of the humerus and struther’s ligament: – median nerve may be compressed as it passes under the bondy spur – pt c/o of weak hand grip and in pronating, … Read more
– See: – Bone Tumor Menu: – Eosinophilic Granuloma of Spine: – Discussion: – includes a group of disorders characterized by a variety of tumor like lesions, which arise from from clonal proliferation of Langerhans- type histiocytes; – most common in children less than 12 … Read more
– See: Eosinophilic Granuloma – Discussion: – Discussion: – most common in the thoracic spine; – may present with progressive back pain; – vertebra plana: – in 2-6 yrs old child, EOG may present w/ collapse of single vertebra; … Read more
– Discussion: – as general rule, an EMG of patient who has myopathic disease shows a decreased amplitude & duration of response, compared w/ that of unaffected pt, while an EMG of pt who has neuropathic disorder shows an increased amplitude and duration of response; … Read more
– See: Bone Tumor Menu / Multiple Enchodromatosis (Ollier’s Disease) – Discussion: – benign and asymptomatic cartilaginous tumor of bone which most often occurs in adolescents or young adults; – it is an intramedullary cartilage lesion located in central metaphysis; – intramedullary tumor develops in adjacent metaphysis and may … Read more
– See: – Nerve Injury: – Nerve Menu – outside links: – The Expert Electromyographer – EMG Table of Contents – EMG Findings in Specific Conditions: – Normal Study: … Read more
– Clinical Presentation: – sudden onset of pain, pallor, paresthesias, variable paralysis, and absence of distal pulses; – only 15% of all arterial emboli lodge in the upper extremity; – sudden atraumatic onset in conjunction with atrial fib or recent MI strongly implicates an embolic event; – … Read more
– See: Elbow Dislocations in Adults: – Discussion: – elbow dislocations in children are a relatively uncommon; – peak incidence occurs in adolescence between 11-15 years. – posterior dislocations are most common type; – posterior dislocation usually results from fall on outstretched hand w/ forarm supinated & … Read more
– Discussion: – RA manifests itself in many ways in elbow joint, including nodules and bursae, synovitis, progressive joint destruction, antecubital cysts, & ulnar or, rarely posterior interosseous palsy; – note that involvement of the RA elbow is infrequently an isolated and therefore it is important to consider possible involvement in the wrist … Read more