22 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
abnormal) in nearly all ... cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Hypertensive: • High Al ... #Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium
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
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 ... Hallpike test (posterior ... #neurology
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
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential Diagnosis ... GI Bleed) • NaCl ... response • Central ... #Polyuria #Nephrology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Restricted Diffusion: ATL ... With Posterior ... Heroin Inhalation Central ... #Differential #Diagnosis ... #Radiology #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... circulation: MCA ACA ... the underlying cause ... with AEDs until cause ... #management #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 ... Occlusion of posterior ... #differential #diagnosis ... #neurology