30 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential ... Diagnosis Algorithm ... symptoms/signs, ... #Neurology #Differential ... #Diagnosis #Algorithm
Clinical Manifestations of Serotonin Syndrome
 • Ophthalmologic: Mydriasis, Ocular clonus (slow horizontal movements)
 • Gastrointestinal: Diarrhea,
Ophthalmologic ... Cardiovascular and vital sign ... Clonus (inducible), Muscular ... Symptoms #spectrum #signs ... #diagnosis
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Central Causes of Vertigo ... Uncommon): - Vascular ... hemorrhage - Non-vascular ... Central #Causes #differential ... #diagnosis #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
retraction (Collier's sign ... → "setting sun sign ... " - Vascular disease ... #diagnosis #pineal ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Vascular disorders ... Syndrome usually ... signs or symptoms ... #Causes #differential ... #diagnosis #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
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
PERIPHERAL VERTIGO ... or minutes with vascular ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... papilledema • Horner syndrome ... • Meningeal signs ... Systemic symptoms and signs ... #neurology #PHANTOMS
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... clinical context and signs ... Abdominal compartment syndrome ... • Cardio-renal syndrome ... #Diagnosis #nephrology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... injury, often from vascular ... #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics #neurology