25 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Radial Nerve • Median ... Nerve • Ulnar ... #differential #diagnosis ... Neuropathy #anatomy #arm ... #innervation #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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
Radial Nerve Wrist ... Fingers Flexion C8 Median ... Fingers Abduction T1 Ulnar ... #Orthopedics #Neurology ... #Diagnosis
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
finger through the Ulnar ... • Carpal tunnel ... compression but will also ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... distal to distal ulna ... , pain with wrist ... distal radius or ulna ... #XRay #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
commonly, 60%; also ... styloid fracture, median ... injury • ED Management ... #Carpal #Radiology ... #XRay #Diagnosis
Ulnar Nerve Anatomy and Function
The Ulnar nerve is the nerve of hand power and control. It
the LOAF of the median ... trunk and the medial ... branches in the arm ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
proximal portion as ... fractures that are ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... #Management #Orthopedics
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... also produced - ... boggy" joints, esp carpal ... Boutonniere's ulnar ... signs #symptoms #diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... evaluation should also ... include a: • Neurologic ... disruption ○ Otitis media ... #Differential #Diagnosis