20 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
cause of AVS. ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior ... #CVA #Peripheral ... #Testing #HIT #
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Hyperreflexia #Testing ... #Causes #differential ... #diagnosis #table ... #neurology
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - Differential ... Framework If Altered Mental ... SAH, tumor • Posterior ... no neurological cause ... #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... forehead) in classic posterior ... with vascular causes ... , such as with posterior ... symptoms #comparison #neurology
Causes of Subarachnoid Hemorrhage - Differential Diagnosis Algorithm
Vessel Disease
 • Aneurysm
 • Vascular Malformation
Other
 • Bleeding
Causes of Subarachnoid ... Hemorrhage - Differential ... Malformation Other • Bleeding ... #SAH #Stroke #CVA ... #Neurology #Differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
may be present Central ... with vascular causes ... Hallpike test (posterior ... Vertigo #Algorithm #differential ... #diagnosis #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
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Reversible course Differential ... thrombosis Testing ... the underlying cause ... diagnosis #management #neurology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
channels open leading ... channels open leading ... Vaughan Williams Classification ... #Pharmacology #Classification ... #Classes #pathophysiology
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Neuro: altered mental ... status • CV: ... • Hemorrhagic: bleeding ... #criticalcare #differential ... #causes #classification