29 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... Forehead involved = Peripheral ... of facial nerve palsy ... Unilateral: Bell's Palsy ... #neurology #sparing
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
cause of AVS and ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... Nerve Palsy on ... sleeping as in this case ... PhysicalExam #clinical ... #msk #sports #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
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
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... : • CN Ill Palsy ... dissociation • Other causes ... #Pupil #PhysicalExam ... #neurology #ophthalmology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Peripheral Causes ... / #Vertigo #Peripheral ... #differential #diagnosis ... #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... - Differential Diagnosis ... Lambert-Eaton Myasthenic Syndrome ... #Weakness #Neurology ... #Algorithm #Causes
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Etiologies of Peripheral ... Paraprotein-associated (POEMS syndrome ... @uncimchiefs #Peripheral ... #differential #diagnosis ... #causes #neurology