8 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Peripheral Causes ... #Central #Causes ... #differential #diagnosis ... #neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
vs Central Lesions ... VII, the facial nerve ... #Nerve #Paralysis ... #Bells #Palsy #Neurology ... #Diagnosis *
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
parasympathetic control ... suggest oculomotor nerve ... anisocoria #clinical #video ... #ophthalmology ... #physicalexam #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... cross-reacts with peripheral ... or the axon of peripheral ... and sensitive tests ... pathophysiology as
Acromegaly - Diagnosis and Management Summary - GrepMed Handbook 

Clinical Presentation: 
 • Classic Acromegaly: frontal
~5th decade → peripheral ... GHRH release, central ... and Workup: • ... levels not useful as ... glucose suppression test
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... glomeruli, and peripheral ... gastrointestinal, and/or central ... retinopathy Lab Tests
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
reabsorption) Workup ... Cortisol+ACTH stim test ... only if no clear cause ... Ca-gluconate or 1g CaCl- (central ... Treatment #potassium #nephrology