34 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... Anaphylaxis, Hay fever ... they activate complement ... types #allergy #table
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Diagnosis Algorithm ... • Transfusion reaction ... Differential #Diagnosis #Algorithm ... #causes
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
- Transfusion Reactions ... without other cause ... : 33% • Treatment ... : No • Treatment ... diagnosis #comparison #table
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
caused by Borrelia ... The table below ... Treatment is tetracycline ... initiation of treatment ... Jarisch-Herxheimer reaction
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
, seasonal hay fever ... antigen, leading to complement ... Complement activation ... Allergy #Diagnosis #Reactions ... #Table
Summary of Infections in which Steroids play a role in treatment
 • TB meningitis
 • TB
play a role in treatment ... pericarditis (select cases ... Severe typhoid fever ... • Severe lepra reaction ... infections #management #treatment
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Coronary arteries - Fever ... disease, drug reactions ... Vasculitis: • Fevers ... against MPO • Complement
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Treatment depends ... Actively maintained fever ... CAUSES OF HYPERTHERMIA ... transfusion • Allergic reaction ... #Differential #Causes
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... for secondary causes ... eosinophilia (common causes ... allergy, drug reaction ... glucocorticoid treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : • 80% have fever ... Intervention: - Fevers ... shows a small, stable ... #differential #causes