14 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
, seasonal hay fever ... antigen, leading to complement ... Complement activation ... #Classification ... Diagnosis #Reactions #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Anaphylaxis, Hay fever ... they activate complement ... #allergy #table ... #classification
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
90% - Low complement ... cutaneous-DIL • Evolution ... 80% - Low complement ... • Evolution: ... #comparison #table
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
diseases: - 10% SLE ... Types: • Type ... • Low serum C4 complement ... erythematosus (SLE ... #classification
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Constitutional domain: Fever ... anticoagulant • Complement ... #EULARACR #Classification ... #Criteria #SLE
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
uncharacterized fevers ... Consider BCx, CSF evaluation ... presentation Urinalysis: LE ... Diagnosis #Peds #EM #Classification ... #Fever #SBI #SeriousBacterialIllness
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... anti-Smith Ab, low complements ... Skin Disease Classification ... Kikuchi disease • Type-I ... to: Arthritis, Fever
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Differential Diagnosis Algorithm ... Conditions: • Fever ... Vasculopathy (SLE ... , Type 1 diabetes ... Differential #Diagnosis #Algorithm
Allergic Bronchopulmonary Aspergillosis (ABPA)
WHAT IS IT?
Hypersensitivity response to Aspergillus fumigatus in the airways
 • Primarily affects
production - Can see ... • Low grade fever ... WHAT CAN YOU SEE ... ON LABORATORY EVALUATION ... • Immediate type-skin
Le Fort Fractures (LFF) are fractures of the mid face. 

They collectively involve separation of all
Le Fort Fractures ... 3 lines to aid evaluation ... LeFort #Fractures #Types ... #Classification