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Chronology of Electrodiagnostic Findings Time: {{c1::7}} days Abnormality: {{c2::Abnormal spontaneous activity in the...
Obturator neuropathy, Etiology : {{c1::retroperitonneal hematoma}} {{c2::pelvic fracture}} {{c3::obturator hernia}} tum...
superficial peroneal neuropathy EDX findings NCS SNAP: Abnormal {{c1::superficial peroneal (fibular) sensory}} Normal ...
Obturator neuroptathy, E DX findings : NCS SNAP: {{c1::None available}} CMAP: {{c1::None available}} EMG Abnormal activi...
{{c1::Supramaximal stimulus}} stim. intensity 20% above the max stimulus to generate an AP (typically used for NCS ) ...
Motor Neuron Disease It is important to rule out treatable neuropathies that mimic motor neuron disease ( MND ). An exa...
Radiculopathy A pure sensory injury would demonstrate a {{c1::negative}} EMG .
EMG MUAP recruitment pattern follows: "The rule of {{c1::5's}} "
Femoral Neuropathy , Etiology: compression/ trauma {{c1::retroperitoneal hemmorhage/ psoas hematoma::2}} tumor entr...
Radiculopathy common cuases include {{c1::herniated disc}} and {{c1::spinal stenosis}}
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Myesthenia Gravis Treatment {{c1::Thymectomy}} {{c2::Anticholinesterase drugs: Pyridostigmine}} Corticosteroids Immu...
EMG rare conditions, where {{c1::muscle atrophy}} has occurred, insertional activity may be decreased
musculocutaneous nerve. innervates ARM 3 muscles {{c1::Coracobrachialis}} {{c1::Biceps brachii}} {{c1::Brachialis (...
SURAL NEUROPATHY, Etiology : {{c1::compression from tight socks}} {{c2::Baker’s/ganglion cyst}} trauma (e.g., laceratio...
CIDP can present identical to AIDP CIDP should be considered: If the disease progresses for more than {{c1::8 weeks}} or...
{{c1::Recruitment interval (RI)}}: This is the {{c2::interspike interval (in milliseconds)}} between two discharges of t...
through Guyon’s canal , Ulnar n . splits into 3 branches 1. {{c1::Superficial sensory branch}} 2. {{c1::Hypothenar bra...
MS SSEP's are seen 90% of the time, with the lower limb more likely to be abnormal than the upper limb. most common a...
Lambert Eaton Dx Labs Antibodies against {{c1:: voltage-gated Ca + channels }}
Lambert Eaton Snydrome treatment Treat {{c1::malignancy}} {{c3::Immunosuppressives: Corticosteroids, steroid-sparing age...
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{{c1::ARCADE OF STRUTHERS}}: fascial band in the medial arm that connects the {{c4::brachialis}} to the {{c4::trice...
Obturator Nerve Innervates... anterior branch {{c1::adductor longus}} {{c1::adductor brevis}} {{c1::gracilis}} {{c1::pec...
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CMAP: if an initial positive deflection exists, it may be due to... 1.) {{c1::Inappropriate placement of active electrod...
{{c1::cramp discharge}} spontaneous repetitive firing of MUAPs assoc w/ {{c2:: metabolic disturbances }} (broad dz cat...
the most common cause of peripheral neuropathy wordlwide is {{c1::leprosy}}
Critical Illness Neuropathy Edx Findings NCS SNAP: {{c1::low/unobtainable}}: amplitude {{c1::mild slowing}}: CV o/p lat...
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lateral femoral cutaneous nerve. clinical pres. patient may report sensory complaints in the lateral thigh, including pa...
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H-reflex limitations 1) {{c1::can not localize lesion}} 2) {{c2::cannot distinguish between acute and chronic}} 3) ...
CTS treatments (conserative) {{c1::Ergonomic modification}} {{c2::hand splint}} {{c3::NSAIDs}} {{c4::steroid injection}...
CTS SEVERITY NCS {{c1::Mild}} SNAP: Prolonged latency CMAP: Normal
Inclusion Body Myositis etiology: unkown presentation: {{c1::assymetric}}, painless weakness in proximal and distal musc...
{{c3::Flexor digitorum superficialis}} Nerve: {{c1::Median}} Roots: {{c2:: C7 , C8 , T1::3 }}
AIDP (GBS) and CIDP Edx findings NCS SNAP: {{c3::Abnormal}} CMAP: {{c3::Abnormal}} CV / o/p latecny {{c3::normal (unless...
EMG/NCS Conduction Velocity CV for a newborn is 50% that of an adult. At 1 year, it is 80% that of an adult. It is equ...
{{c1::F-wave}} is a small late motor response occurring after the CMAP . It is produced using a {{c2::short}} durat...
Opponens pollicis Nerve: {{c1::Median nerve}} Roots: {{c2:: C8 , T1 ::2 }}