13 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
I - lgE - Soluble ... Allergen-specific lgE ... cross-linking of lgE ... , seasonal hay fever ... #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of types ... : lgE - Antigen ... Allergen-specific lgE ... Anaphylaxis, Hay fever ... allergy #table #classification
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Hypersensitivity: Summary Type ... Immunological Mediator: lgE ... peanuts), Hay fever ... conjunctivitis Type ... #Classification
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
Evaluation of suspected incomplete Kawasaki Disease

1. AHA consensus recommendations
2. Infants ≤6 months old on day ≥7
Evaluation of suspected ... old on day ≥7 of fever ... purposes of this algorithm ... within 10 d of fever ... Disease #Incomplete #Algorithm
Assessment of a Patient Presenting to the ED after a Medical Abortion:
 • History, including if/when
CBC and blood type ... Medical #Abortion #algorithm ... #workup #evaluation ... diagnosis #obstetrics #obgyn
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Differential Diagnosis Algorithm ... Conditions: • Fever ... Vasculopathy (SLE, Type ... Differential #Diagnosis #Algorithm ... Causes #Obstetrics #OBGyn
Allergic Bronchopulmonary Aspergillosis (ABPA)
WHAT IS IT?
Hypersensitivity response to Aspergillus fumigatus in the airways
 • Primarily affects
• Low grade fever ... ON LABORATORY EVALUATION ... Aspergillus specific lgE ... • Immediate type-skin ... voriconazole) • Anti-lgE
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
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
dengue severity classification ... days and presents fever ... hypotension in late ... bleeding: based on evaluation ... organs #dengue #fever