13 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Sensory loss below ... and #Acute #SpinalCord ... #Injury #Syndromes ... #signs #symptoms ... #msk #orthopedics
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
Spinal Cord Injury ... Root Sensory Motor ... Dermatomes Abdominal Muscles ... Sphincter None #SpinalCord ... #Levels #differential
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... • Symptoms and signs ... below the site of injury ... MCTD, Sjogren syndrome ... #cord #spinalcord
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... MeralgiaParesthetica #MSK ... #pathophysiology ... #differential # ... diagnosis #signs
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... at the level of sensory ... result in: - Muscle ... unilateral) #SpinalCord ... #differential #
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Neoplasm in lumbar spine ... etc) in lumbar spine ... Signs / Symptoms ... #MSK #pathophysiology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... bearing after injury ... Loss of signal pulses ... injuries - Meniscal injury ... #diagnosis #msk
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness • Spinal ... Demyelinating Disease (MS ... Phrenic nerve injury ... aminoglycosides) • Muscles ... Weakness #Causes #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
onset of weakness, sensory ... monophasic Pathophysiology ... Presentation: Injury ... • Bilateral signs ... management #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 ... #Weakness #Differential