10 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... cell antigens, leading ... #allergy #table ... #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity Types ... cellular antigen, leading ... Antigen-antibody complexes ... #Classification ... Diagnosis #Reactions #Table
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... 80-100 fL) • Bleeding ... #Anemia #MCV #Classification ... #Causes #Hematology
Von Willebrand Disease Classification
Type 1 (Accounts for ~3/4 of cases):
 • Defect: Quantitative defect (i.e. not
Willebrand Disease Classification ... for ~3/4 of cases ... (uncommon) • Bleeding ... VonWillebrand #Disease #Classification ... #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
immune system, leading ... deposit of immune complexes ... • They can cause ... Cryoglobulins Cause ... #classification
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
cell surfaces causes ... antigen-surface complex ... antibody-antigen complexes ... exposure to allergen causes ... #Classification
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
precipitating complex ... Paradoxical spontaneous bleeding ... Divided Into Two Types ... cryoglobulins • Negative causes ... #rheumatology #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
unusual bruising or bleeding ... skin that are caused ... by bleeding (petechiae ... Workup: • Complete ... Syndromes #diagnosis #hematology
Bleeding Risk for Various Invasive/Surgical Procedures
Low Risk:
 • Dental extractions (1 or 2 teeth), endodontic (root
Bleeding Risk for ... Cataract surgery • Dermatologic ... thoracentesis, paracentesis ... node biopsy) • Complex ... Perioperative #Procedures #Table
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
2022-lab-advisory-CLARIFICATION-CDC_Publishes_Non-variola_Orthopoxvirus_PCR_Testing_Procedure ... should use this algorithm ... smallpox-diagnostic-algorithm-poster ... The type of specimen ... See table below