49 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
damage to the radial ... nerve in the radial ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Medial Longitudinal ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... compression of the radial ... affected limb, also ... #Wrist #Drop #Radial ... PhysicalExam #clinical
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Weakness - Differential ... Diagnosis Algorithm ... nerve palsy) ... #Causes #neurology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... variety known as ... #Neurology #Signs ... #Symptoms #Diagnosis
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Neurologic ... suggest a mass as ... the cause ... depress when looking medially ... #Causes #Ophthalmology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
• Thus a PIN palsy ... • As a degenerative ... PIN) palsy recovers ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
If Altered Mental ... Oculomotor (3rd cranial ... nerve) Palsy: ... no neurological cause ... #diagnosis #neurology
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
sensory in the medial ... interosseous nerve (AIN) palsy ... compression but will also ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Causes of Bradykinetic Movement Disorders - Differential Diagnosis Algorithm
Parkinson's Disease (TRAP):
• Resting Tremor
• Cogwheel Rigidity
• Akinesia/Bradykinesia
•
Causes of Bradykinetic ... Diagnosis Algorithm ... • Axial rigidity ... MovementDisorders #Neurology ... #Causes