27 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior ... #HeadImpulse #Testing
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... may be present Central ... with vascular causes ... (posterior canal ... #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... grip weakness caused ... ulnar nerve palsy, testing ... clinical #video #neurology ... #orthopedics #sports
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
forehead) in classic posterior ... with vascular causes ... , such as with posterior ... #Vertigo #diagnosis ... symptoms #comparison #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
- Differential Diagnosis ... Framework If Altered Mental ... SAH, tumor • Posterior ... no neurological cause ... #neurology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
vertigo due to Posterior ... Clinical Findings: • Nausea ... Palatal myoclonus - Central ... #Wallenbergs #neurology ... #diagnosis
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential Diagnosis ... response • Central ... #Polyuria #Nephrology ... #Algorithm #Causes
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... vertigo (BPPV) - Short-lived ... Occlusion of posterior ... #differential #diagnosis ... #neurology
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Causes of Tremors ... - Differential Diagnosis ... multiple sclerosis) Resting ... Tremor - Occurs at Rest ... MovementDisorders #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... thrombosis Testing ... the underlying cause ... with AEDs until cause ... #management #neurology