33 results
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
Erythema Ab Igne ... Exam Erythema ab ... skin reaction caused ... EAI #Erythema #Ab ... #Igne #AbIgne #
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
and SUN Classification ... Bartonella SUN Classification ... #SUN #Classification ... #Differential #Diagnosis ... Ophthalmology #Rheumatology
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Target: Antigen-Ab ... Dermatitis (ie. reaction ... Allergy #Allergic #Reactions ... #Types #Classification ... #Diagnosis #Definitions
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... and Extrinsic Causes ... hemolytic transfusion reactions ... #Hemolysis #Classification ... #Differential #Diagnosis
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... • Transfusion reactions ... #Differential #Diagnosis ... #causes #classification ... #hematology
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
2020 ACR-EULAR Classification ... negative anti CCP Ab ... Rheumatoid #Arthritis #diagnosis ... #EULAR #Classification ... #rheumatology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
- Differential Diagnosis ... during an allergic reaction ... Or Inflammatory Reactions ... #Differential #Diagnosis ... #causes #hematology
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
Classification of ... anemias, hemolytic reactions ... syndrome, drug reactions ... #diagnosis #conjugated ... #differential #causes
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Causes purpura & ... TRALI): Leading cause ... anti-HLA or anti-HNA Ab ... #Transfusion #diagnosis ... #management #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... Other: Transfusion reaction ... Extravascular #Causes ... #hematology #anemia