33 results
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Elbow Flexion ... Elbow Extension ... C7 Radial Nerve ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Causes of Pediatric ... Constipation - Differential ... Volume / Bulk Neurologic ... Guillain-Barré Syndrome • Muscular ... #Causes #Peds #Pediatrics
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Tumor • Motor Nerves ... Mitochondrial myopathy, Muscular ... Weakness #Causes #differential ... #diagnosis #neurology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Supracondylar Elbow ... anterior interosseous nerve ... syndrome • ED Management ... XRay #Diagnosis #Management ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... anterior interosseous nerve ... fracture • ED Management ... XRay #Diagnosis #Management ... Orthopedics #Sports #MSK
Vertigo Differential Diagnosis and Management Algorithm
Vertigo: Symptom of illusory movement because of asymmetry in the vestibular
Vertigo Differential ... Diagnosis and Management ... labyrinth, vestibular nerve ... #Algorithm #neurology ... #Differential
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
- Vestibular Nerve ... Vestibulocochlear Nerve ... Uncommon): - Vascular ... Central #Causes #differential ... #diagnosis #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
Cord Injury by Nerve ... Antecubital Fossa Elbow ... Middle Finger Elbow ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Low Back Pain - Differential ... Referred: • Vascular ... cholecystitis; • Neurologic ... Lower #BackPain #Differential ... #primarycare #msk
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... myositis • Genetic: Muscular ... myopathies, the muscular ... #Weakness #Differential ... #Diagnosis #neurology