21 results
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
mass compression, spinal ... superior iliac spine ... MeralgiaParesthetica #MSK ... pathophysiology #differential ... #diagnosis #signs
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... and signs below ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology ... #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lesions of the spinal ... Lack of UMN/LMN signs ... - Lack of sensory ... #Diagnosis #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... Sensory loss below ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Root Sensory Motor ... Dermatomes Abdominal Muscles ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... etc) in lumbar spine ... Signs / Symptoms ... #MSK #pathophysiology ... #signs
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L1-L5 Symptoms ... and/or genital sensory ... lower extremity muscle ... #differential # ... diagnosis #causes #neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
bowel dysfunction, muscle ... Limb weakness, sensory ... Reconstitution Inflammatory Syndrome ... Meningitis • Include: vasculitis ... Tuberculosis #diagnosis #differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... at the level of sensory ... result in: - Muscle ... #lesions #differential
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Weakness without Sensory ... Neuropathy • Spinal ... Lambert-Eaton Myasthenic Syndrome ... Myopathy - Proximal muscle ... Peripheral #Weakness #Neurology