39 results
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
• Peripheral: BPPV ... Neuritis, Meniere's Disease ... Cardiac: Valvular Disease ... radiculopathy Other: • Psychiatric ... Differential #Diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
than a minute for BPPV ... posterior canal BPPV ... horizontal canal BPPV ... tinnitus (Méniére's disease ... symptoms #comparison #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
left, right, up and ... straight ahead, cover and ... TylerLarsenMD #HINTS #physicalexam ... Vertigo #diagnosis #neurology ... #bppv #comparison
Confabulation
What? Honest Lie.  
No incoming sensory information + Filling of the blanks with different information
that information and ... Diseases: Korsakoff ... Injury, Alzheimer's Disease ... Cortical Blindness, Psychiatric ... diagnosis #causes #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... position change • Neurologic ... auditory findings BPPV ... test Méniére's disease ... differential #diagnosis #neurology
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Tremor of Wilson's Disease ... arms, with elbows and ... Tremor #Wilsons #Disease ... clinical #video #neurology ... #copper #physicalexam
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
: - Irregular and ... Dark, Mydriatics Diseases ... first description and ... Robertson #Pupil #neurology ... ophthalmology #physicalexam
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Tremor of Wilson's Disease ... arms, with elbows and ... Tremor #Wilsons #Disease ... clinical #video #neurology ... #copper #physicalexam
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Histiocytosis and ... granulomatous diseases ... is aimed at the psychiatric ... disease. ... Classification #Types #Nephrology
Bilateral LMN palsy with tongue weakness, wasting and fasciculations.  →  Bulbar motor Neuron disease

Note
weakness, wasting and ... Bulbar motor Neuron disease ... clinical #video #neurology ... #physicalexam