20 results
differential management clinical pathophysiology signs symptoms video caudaequina defect dermatomes extremity loss motor myotomes pupillary rapd relative abnormal acute arm
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD) Definition: Afferent loop of the pupillary light reflex
pupillary light reflex ... impaired (loss of sensory ... ) Where: Optic nerve ... neuritis due to MS ... #Defect #RAPD #neurology
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
The median nerve ... acts both as an afferent ... middle finger. 2) Ask ... clinical #video #neurology ... #PhysicalExam
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 Relative Afferent Pupillary Defect This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... the pupillary reflex ... very sensitive diagnostic ... Pupillary #Defect #Neurology ... Pupils #MacrusGunn #PhysicalExam
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 Meralgia paresthetica: Pathogenesis and Clinical Findings Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica •
Femoral Cutaneous Nerve ... nerve, thus symptoms ... gait, strength, reflexes ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK
Lower Extremity Dermatomes and Myotomes Reflexes: • Knee - L2, L3, L4 • Ankle - S1
and Myotomes Reflexes ... • Cauda Equina Syndrome ... damage to peroneal nerve ... #neurology #sensory ... #motor #leg #physicalexam
Cauda Equina Syndrome Overview Cauda Equina Syndrome: • Prevalence: 1:33,000-100,000 ppl/yr • Incidence: 1.5-3.4 million ppl/yr •
compression of nerve ... and/or genital sensory ... • Provocative Tests ... absent anal wink test ... #causes #neurology
The Neurological Evaluation of a Comatose Patient Definition: • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... threat Cranial Nerves ... brainstem Motor/Sensory ... caseyalbin #PhysicalExam ... #neurology #comatose
Principal patterns of loss of sensation. (a) Thalamic lesion: sensory loss throughout opposite side (rare).
Brown—Séquard syndrome ... MS: loss of proprioception ... #Diagnosis #Neurology ... GrepMed Recommended Text ... Review in Clinical Neurology
Cauda Equina Syndrome Causes: • Large lumbar degenerative disc herniation (central) • Severe lumbar spondylosis • Neoplasm
Cauda Equina Syndrome ... of normal leg reflexes ... damage to sacral nerves ... #MSK #pathophysiology ... #diagnosis #symptoms
Acute Spinal Cord Injuries: Pathogenesis and clinical findings • Anterior Cord Syndrome -> Anterior spinal artery
Sensory loss below ... bladder and rectal reflex ... #diagnosis #pathophysiology ... signs #symptoms #msk ... #orthopedics #neurology
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