11 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
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
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
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
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
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 ... #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
group of disorders caused ... unusual bruising or bleeding ... by bleeding (petechiae ... Workup: • Complete ... Syndromes #diagnosis #hematology
Causes of Early Bleeding in Pregnancy (< 20 Weeks) - Differential Diagnosis Algorithm
Not Bleeding from the
Causes of Early ... Differential Diagnosis Algorithm ... and Clots: • Complete ... #Causes #Obstetrics ... #OBGyn
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacterium tuberculosis complex ... status NTM Cause ... Growers (Runyon Classification ... Avium Complex (MAC ... Hematologic malignancy