9 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential ... vomiting, auditory symptoms ... symptoms/signs, ... Hemorrhage #Dizzy ... #Neurology #Differential
TiTrATE schema to approach to Dizziness
 • Time Course: Continuous or Episodic
 • Triggers: Present or
yet imprecise symptom ... • Vestibular (vertigo ... • Nonspecific (psychiatric ... TiTrATE #Dizziness #dizzy ... #diagnosis #neurology
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
disoriented - Non-vertigo ... Problem • Drugs Psychiatric ... Somatization #Dizzy ... Lightheadedness #Neurology ... #Differential #
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Dizziness and Vertigo ... "pass out" • Symptoms ... #Algorithm #dizzy ... #differential # ... diagnosis #neurology
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
Dizziness - Differential ... Vertigo: • Peripheral ... radiculopathy Other: • Psychiatric ... #Differential # ... Diagnosis #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
with significant neurologic ... attacks with varying neurologic ... signs or symptoms ... #Causes #differential ... #diagnosis #neurology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Tertiary Lab Comparison ... : Commonly no signs ... Bone/joint pain Psychiatric ... Symptoms: Disorientation ... Hyperparathyroidism #diagnosis #endocrinology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central Vertigo ... PERIPHERAL VERTIGO ... diagnosis #findings #signs ... #symptoms #comparison ... #neurology
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
presyncope, exertional symptoms ... positive Romberg sign ... slippery surfaces • Psychiatric ... Falls #Diagnosis #Differential ... Evaluation #Geriatrics #Neurology