66 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... nerve distribution ... axillary nerve ... 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
C6 Radial Nerve ... Fingers Flexion C8 Median ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... Algorithm Forehead ... (2% of facial nerve ... #Algorithm #Causes ... #neurology #sparing
Diagnosis and Management of Hypernatremia

#Hypernatremia #Differential #Algorithm #Causes #Nephrology #Diagnosis

** GrepMed Recommended Text: Nephrology Secrets -
Diagnosis and Management ... #Differential #Algorithm ... #Causes #Nephrology ... #Diagnosis * ... Recommended Text: Nephrology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
IV (Trochlear) 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
Nerve Palsy on ... nerve in its path ... sleeping as in this case ... #orthopedics #msk ... #sports #neurology
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
styloid fracture, median ... nerve injury, acute ... Distal #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
- Differential Diagnosis ... Algorithm Painful ... Demyelination • MS ... #Differential #Diagnosis ... #Algorithm #Causes
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
nerve injury ... • ED Management ... Carpal #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... fracture • ED Management ... Posterior #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK