29 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 ... days - Examples: Acute ... types #allergy #table
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Diagnosis Algorithm ... • Transfusion reaction ... #Fever #Acute ... #causes
Causes of Acute Pediatric Cough - Differential Diagnosis Algorithm
No Fever, No Tachypnea
 - Normal Chest Auscultation
Causes of Acute ... No Fever, No Tachypnea ... Fever, Tachypnea ... pneumonia #Acute ... #Causes #Peds #
Differential Diagnosis - Noninfectious Causes of Fever

CRITICAL DIAGNOSES:
 - Acute myocardial infarction
 - Pulmonary embolism or
Noninfectious Causes ... DIAGNOSES: - Acute ... Thyroid storm - Acute ... - Transfusion reaction ... Noninfectious #Causes
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... to Acute Interstitial ... triad (<10%): fever ... MatthewHoMD #Acute ... Nephritis #AIN #Algorithm
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Differential Diagnosis Algorithm ... perfringens - Complement-Mediated ... anemia • Acute ... #Causes #Hematology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
- Transfusion Reactions ... without other cause ... explain symptoms • Fever ... At least 3 of (Acute ... diagnosis #comparison #table
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
TBRF is caused by ... The table below ... of blood smear, acute ... often experience acute ... 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
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Acute Hemolytic ... S/sx: Fever, flank ... Causes purpura & ... Transfusion Related Acute ... Sx include: fever