14 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
#Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA ... #Peripheral #Central ... #HeadImpulse #Testing
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
Causes of Vertigo ... Algorithm #Diagnosis ... #Neurology #Dizziness ... #Peripheral #Central ... #Algorithm #BPPV
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Diagnosis Central ... contusion • Tumours: CPA ... #Peripheral #Causes ... #Differential #Diagnosis ... #algorithm
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Algorithm Forehead ... Sparing = Central ... Forehead involved = Peripheral ... #Algorithm #Causes ... #neurology #sparing
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... PERIPHERAL VERTIGO ... with vascular causes ... #diagnosis #findings ... symptoms #comparison #neurology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Algorithm Urine ... Polydipsia • Central ... Water and solute loading ... #Algorithm #causes ... #nephrology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Algorithm True ... Rotary Movement Peripheral ... Bone Fracture Central ... #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... deficiency, Salt-losing ... Cerebral salt wasting ... #Algorithm #Causes ... #nephrology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... may be present Central ... with vascular causes ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... #Peripheral #Central ... #differential #diagnosis ... #neurology