24 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 ... with a central cause ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... with vascular causes ... (posterior canal ... Vertigo #Algorithm #differential ... #diagnosis #neurology
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 ... Sensory Changes - Differential ... Lambert-Eaton Myasthenic Syndrome ... #Weakness #Neurology ... #Differential #
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Etiologies of Peripheral ... Paraprotein-associated (POEMS syndrome ... #Neuropathy #differential ... #diagnosis #causes ... #neurology
Causes of Urinary Tract Obstruction - Differential Diagnosis Algorithm
Upper Tract - Bladder NOT distended on ultrasound,
Causes of Urinary ... Obstruction - Differential ... NOT distended on ultrasound ... stricture • Posterior ... #Urology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
lancinating - Peripheral ... regional pain syndrome ... Pain #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm #Causes
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Occlusion of posterior ... Syndrome usually ... #differential # ... diagnosis #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... dissociation • Other causes ... #PhysicalExam #neurology ... #ophthalmology