15 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... -> Anterior spinal ... Loss of pain and ... signs #symptoms #msk ... #orthopedics #neurology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
syndrome - Deafferentation ... Post-stroke • Spinal ... injury #Pain ... #Mechanisms #Neurology ... #Causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... Causes of spinal ... • Extrinsic Causes ... differential #diagnosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... Demyelinating Disease (MS ... Phrenic nerve injury ... differential #diagnosis #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
deficiency etc) • Spinal ... Repetitive strain injury ... Trauma • Crush injury ... lower #extremity #msk ... #physicalexam
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... findings Unilateral Spinal ... Brown-Sequard Syndrome ... sensory loss to pain ... #Hemiplegia #Neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
continence • Pain ... Cord Causes: 1 ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology ... differential #algorithm
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... - Low back pain ... Commonly caused ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Scapular winging on Physical Exam - Bilateral trapezius palsy with lateral scapular displacement.

A young man with
with shoulder pain ... accessory injury ... winged #scapula #PhysicalExam ... trapezius #palsy #neurology ... #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Fever/Chills/Joint pain ... bearing after injury ... differential #diagnosis #msk ... #physicalexam