9 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... thrombocytopenia, Autoimmune Hemolytic ... anemia, Penicillin-induced ... #Types #Classification
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Hours to Days (Hemolytic ... Anemia) Type ... Rash, SJS) - Amelia ... reactions #Types #Classification ... #Allergy #Diagnosis
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Poisoning • Anemia ... • Bleeding • Hemolysis ... #MCV #Classification ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
long (in days) it takes ... Index < 2: • Anemia ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Diagnosis for Hemolytic ... Anemia Intrinsic ... #Anemia #Differential ... Diagnosis #causes #classification ... #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... blood loss, Acute hemolysis ... , deficiency anemia ... post-splenectomy, Exercise, Allergic ... Diagnosis #Algorithm #hematology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
hemochromatosis, hemolytic ... anemia, CKD, hiv ... stimulates inflammatory markers ... rash #cellulitis #dermatology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Crossmatch takes ... - Acute Hemolytic ... Hemolysis on labs ... - Allergic ... diagnosis #management #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Weight loss • Anemia ... nodosum • Immune hemolytic ... anemia • Pain ... -95% of cases) Classification ... #hematology #oncology