21 results
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... → "setting sun sign ... " - Vascular disease ... #diagnosis #pineal ... #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... retraction (Collier's sign ... "setting sun" sign ... • Vascular disease ... #neurology #diagnosis
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Diagnosis Algorithm ... Cardio-pulmonary disease ... Lambert-Eaton Myasthenic Syndrome ... Peripheral #Weakness #Neurology ... #Differential #
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... clinical context and signs ... cryoglobulins, hepatitis serology ... , HIV serology, ... #Diagnosis #nephrology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease ... Guillain-Barre syndrome ... Mitochondrial myopathy, Muscular ... Weakness #Causes #differential ... #diagnosis #neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
vertigo, Méniére disease ... Uncommon): - Vascular ... hemorrhage - Non-vascular ... Central #Causes #differential ... #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Diagnosis Algorithm ... • Meniere's Disease ... symptoms/signs, ... Dizziness #Vertigo #Neurology ... #Differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... Neuro Behcets Vascular ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... urine • 1ml blood ... hematuria • Signs ... of glomerular disease ... #urology #nephrology
Causes of Hematuria - Differential Diagnosis
Renal:
 - Glomerular - IgA Nephropathy, Thin basement membrane, Alport syndrome,
of Hematuria - Differential ... Diagnosis Renal ... membrane, Alport syndrome ... necrosis, Sickle cell disease ... #urology