77 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... palsy" is a common cause ... Dislocation - May cause ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
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 Extension C7 Radial ... Fingers Flexion C8 Median ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... oscillopsia) • Otitis Media ... Dysfunction - Imbalance, neurologic ... Dizziness #Vertigo #Neurology ... #Differential #Diagnosis
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... Radiology Imaging ... Case description ... Differential diagnosis ... #diagnosis #msk
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential Diagnosis ... • Drugs • Pulmonary ... #Hyponatremia #Nephrology ... #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential Diagnosis ... • Drugs • Pulmonary ... #Hyponatremia #Nephrology ... #Algorithm #Causes
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... - Differential Diagnosis ... • Peroneal • Radial ... Weakness #Sensory #Neurology ... #Algorithm #Causes
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... compression of the radial ... sleeping as in this case ... #orthopedics #msk ... #sports #neurology
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
- Differential Diagnosis ... Inflammatory: MS ... #Differential #Diagnosis ... #causes #neurology