13 results
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Complete loss of motor ... hyperextension -> Upper extremity ... Primarily Upper Extremity ... #Syndromes #diagnosis ... #orthopedics #neurology
Unilateral / Asymmetric Lower Extremity Swelling - Differential Diagnosis Framework
Acute:
 • DVT *Can't Miss Diagnosis
 •
Asymmetric Lower Extremity ... Swelling - Differential ... • Muscle Injury ... Cyst, Cellulitis, Knee ... Regional Pain Syndrome
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
Gerstmann Syndrome ... to differentiate ... Traumatic Brain Injury ... neudrawlogy #Gerstmann #Syndrome ... #neurology #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... bearing after injury ... #diagnosis #msk ... #physicalexam
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 ... Spinal Root Sensory Motor ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Diagnosis Algorithm ... (Contralateral motor ... contralateral extremity ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... #diagnosis #lower ... #extremity #msk ... #physicalexam
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Trauma, Tumor • Motor ... Guillain-Barre syndrome ... Phrenic nerve injury ... Weakness #Causes #differential ... #diagnosis #neurology