21 results
differential management pathophysiology signs symptoms algorithm barre caudaequina causes dermatomes guillain leg loss motor myotomes spinalcord acute afferent arm bilaterality
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 ... weakness and sensory ... • Provocative Tests ... #causes #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm Cerebral Hemisphere (Contralateral motor cortex) • Aphasia • Apraxia •
- Differential Diagnosis ... Consciousness • Cranial Nerve ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
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
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
Upper Extremity Dermatomes and Myotomes Motor Function Shoulder: • Abduction - C5,C6 (axillary) • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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
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
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