7 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... mast-cell degranulation ... Anaphylaxis, Hay fever ... antigens, leading ... allergy #table #classification
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... uncharacterized fevers ... seizure) #Diagnosis #Peds ... #EM #Classification ... #Fever #SBI #SeriousBacterialIllness
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... Encapsulated Bacteria Cell ... or Neutrophil Dysfunction ... Infection #Fever ... #Causes #Hematology
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
rapidly progresses: cell ... death -> end-organ dysfunction ... anaphylaxis, toxins/meds ... #differential #causes ... #classification
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... or Haverhill fever ... Well-circumscribed ... • No well-described ... to have a "wood-grain
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
rapidly progresses: cell ... death -> end-organ dysfunction ... anaphylaxis, toxins/meds ... #differential #causes ... #classification
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
various tissues, leading ... • Endocrine Dysfunction ... marrow: Organ dysfunction ... Birbeck granules (EM ... for endocrine dysfunctions