27 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... • Meniere's Disease ... symptoms/signs, ... Infection • Meningitis ... #Neurology #Differential
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Méniére's disease ... without an obvious cause ... Disease onset usually ... signs or symptoms
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
in Meningitis ( ... Passive neck flexion causes ... despite severe disease ... #Meningitis #Clinical ... #PhysicalExam #Pediatrics
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
tinnitus (Méniére's disease ... with vascular causes ... diagnosis #findings #signs ... #symptoms #comparison ... #neurology
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
inflammatory cells) Clinical ... : • Disease fatal ... exertion • Neurologic ... Sarcoidosis #Diagnosis #Symptoms ... #Signs #Pulmonary
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... rash • Others: nausea ... ): • Aseptic meningitis ... dysfunction) • Pulmonary ... Diagnosis #Illness #Signs
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
Lyme Disease: Early ... and Late Clinical ... SSX (lymphocytic meningitis ... #diagnosis #signs ... #symptoms
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lesion Pott's Disease ... lymphadenopathy, pulmonary ... of Tuberculous Meningitis ... Children with pulmonary ... • Caused by immune
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Coltivirus Symptoms ... • Common clinical ... influenzae Symptoms ... Acute meningeal signs ... differential #diagnosis #neurology
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Alzheimer’s Disease ... Pathogenesis and Clinical ... chromosome 21) Signs ... #diagnosis #signs ... #symptoms