43 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Diagnosis Algorithm ... vomiting, auditory symptoms ... nystagmus • Benign ... symptoms/signs,
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Differentiating Benign ... Neuritis-Labyrinthitis BENIGN ... patient with a clinical ... Labyrinthitis #diagnosis ... #neurology #comparison
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Benign paroxysmal ... without an obvious cause ... signs or symptoms ... #diagnosis #neurology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... Loss of Corneal Reflex ... #Bells #Palsy #Neurology ... #Signs #Symptoms ... #Diagnosis
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
Labyrinthitis 1) Vertigo ... hearing loss Clinical ... • Benign, self-limited ... Labyrinthitis #Diagnosis ... #Symptoms #Signs
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
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
includes frequently benign ... causes such as ... reflex syncope ( ... orthostatic vital sign ... should be guided by clinical
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... partial retinal red reflex ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
inflammatory cells) Clinical ... exertion • Neurologic ... dysrhythmias • Ophthalmologic ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Pathogenesis and Clinical ... chromosome 21) Signs ... seizure, primitive reflexes ... pathophysiology #geriatrics #diagnosis ... #signs #symptoms