18 results
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Definitions • Type ... degranulation, leading ... cell surfaces causes ... causes development ... #Types #Classification
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... and Treatment Types ... cell-mediated in > 90% of cases ... #Angioedema #Classification ... #Types #Diagnosis
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... cellular antigen, leading ... #Classification ... Pathophysiology #Allergy
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... cell antigens, leading ... #allergy #table ... #classification
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Sequestration Disordered Platelet ... Coagulation #Bleeding ... #Causes #Hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... • Acne • Allergy ... Leukemia - History of Bleeding ... #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 ... skin that are caused ... by bleeding (petechiae ... Out Secondary Causes
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
ecchymosis) is caused ... at > 2 weeks Type ... lowest levels Platelet ... ability to bind platelets ... differentiate VWD type
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
Causes of Pediatric Wheezing - Differential Diagnosis Algorithm
CXR Abnormal:
 • Pulmonary Sequestration
 • Congenital Adenoid Cystic
Causes of Pediatric ... Differential Diagnosis Algorithm ... Fibrosis Wheeze With Feeding ... GE Reflux • H-Type ... #Causes #Peds #