37 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Diagnosis Algorithm ... Rotary Movement Peripheral ... • Meniere's Disease ... symptoms/signs,
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Causes of Vertigo ... Peripheral Causes ... , Méniére disease ... Vestibulocochlear Nerve (CN ... #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Peripheral Vertigo ... with vascular causes ... positional episodes caused ... test Méniére's disease
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... PERIPHERAL VERTIGO ... signs or symptoms ... #Vertigo #Causes ... #differential #diagnosis
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... disoriented - Non-vertigo ... Organic Disease ... • Anemia • Peripheral ... Lightheadedness #Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
PERIPHERAL VERTIGO ... with vascular causes ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
- Differential Diagnosis ... Vertigo: • Peripheral ... Central: Stroke, CNS ... #Differential #Diagnosis ... #neurology
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Clinical: • Disease ... exertion • Neurologic ... Bell's palsy, peripheral ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
- Differential Diagnosis ... treat underlying cause ... Pulmonary Diseases ... , CNS Disease, Meds ... #nephrology #sodium
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... - Differential Diagnosis ... Weakness • Cardio-pulmonary ... disease • Anemia ... #Weakness #Neurology