9 results
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... symptoms, this ... for a CENTRAL cause ... Bidirectional #Nystagmus ... Video #Positive #Neurology
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... symptoms, this ... for a PERIPHERAL cause ... Unidirectional #Nystagmus ... Video #Negative #Neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... unidirectonal nystagmus ... symptoms/signs, ... bidirectional nystagmus ... #Neurology #Differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... • Nystagmus: ... No auditory symptoms ... Long symptom-free ... differential #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... with vascular causes ... circulation TIA • Nystagmus ... findings #signs #symptoms ... #comparison #neurology
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo ... "pass out" • Symptoms ... Associated with nausea ... Dysequilibrium: • Feels unable ... differential #diagnosis #neurology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
vomiting, dizziness, vertigo ... , nystagmus • ... #Mastoiditis #pathophysiology ... #signs #symptoms ... #diagnosis #otology
Varicocele: Pathogenesis and clinical findings
Primary:
 - Anatomically: the left spermatic vein drains into the left renal
into the left renal ... retroperitoneal masses ... #Varicocele #Pathophysiology ... #Signs #Symptoms ... #Urology #Diagnosis
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Immunosuppressive agents, Renal ... Etiology: • Pathophysiology ... Neurological symptoms ... diagnosis #management #neurology