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Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Differential Diagnosis Algorithm ... Sparing = Central cause ... Forehead involved = Peripheral ... Differential #Diagnosis #Algorithm
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Impulse Test = Peripheral ... Cause This video ... reassuring for a PERIPHERAL ... cause of vertigo ... Neurology #Vertigo #Peripheral
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
reassuring for a PERIPHERAL ... cause of vertigo ... Negative #Neurology #Peripheral
HINTS Exam - Normal Test of Skew (Normal Vertical Skew)

In a patient with vertigo symptoms, this
reassuring for a PERIPHERAL ... cause of vertigo ... Neurology #Vertigo #Peripheral
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central vs Peripheral ... Vertigo #Central #Peripheral
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
Facial Paralysis - Peripheral ... either from (I ) a peripheral ... the pons to its periphery ... A peripheral lesion ... #CNVII #CN7 #Peripheral
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Erythroderma - Diagnostic Algorithm ... Causes: 1) Exfoliative ... Erythroderma #Nikolsky #Algorithm
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
Ramsay Hunt Syndrome - Herpes Zoster Oticus 
Triad:
1. Ipsilateral facial paralysis 
2. Ear pain 
3. Vesicles
meningitis • Peripheral
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo Algorithm ... Associated with nausea ... Dizziness #Vertigo #Algorithm