9 results
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... consistent with BPPV ... ) #Vertigo #BPPV ... #diagnosis #neurology ... #comparison
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
hearing loss (labyrinthitis ... with vascular causes ... Central #Vertigo #diagnosis ... findings #signs #symptoms ... #comparison #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... auditory findings BPPV ... No auditory symptoms ... Long symptom-free
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
manifestations of anaphylaxis ... arrest GI (>40%): Nausea ... #signs #symptoms ... #diagnosis #criteria ... #allergy
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Time course and symptoms ... distinguishing between causes ... Positional Vertigo (BPPV ... #differential #diagnosis ... #comparison #table
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... positional vertigo (BPPV ... Vestibular neuritis/ labyrinthitis ... without an obvious cause ... #differential #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and duration of symptoms ... Female predominance Anaphylaxis ... angioedema Other symptoms ... #rheumatology #comparison
Manifestations of Anaphylaxis by Body System

Dermatologic/mucosal

 - Eyes: periorbital swelling/erythema, injected conjunctiva, tears

 - Oral mucosa:
Manifestations of Anaphylaxis ... Gastrointestinal - Nausea ... cessation of play #Diagnosis ... #Allergy #Signs ... #Symptoms #Anaphylaxis
Kounis Syndrome

Acute coronary syndrome (symptoms such as chest pain relating to reduced blood flow to the
coronary syndrome (symptoms ... to the heart) caused ... by an allergic ... #Diagnosis #Kounis ... #ACS #Anaphylaxis