26 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... mountain spotted fever ... • Drug reactions ... #Diagnosis #hematology ... #rheumatology #
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
, the differential ... includes Kawasaki disease ... or an exposure reaction ... #Diagnosis #Dermatology ... #Differential
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
Basophilia - Differential ... during an allergic reaction ... Colitis and Crohn’s Disease ... #Diagnosis #causes ... #hematology #basophils
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... : • Liver disease ... • Transfusion reactions ... Hemolytic #Anemia #Differential ... classification #hematology
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Non-Infectious Causes ... falls (like a wave ... Brucellosis Faget's Sign ... #Patterns #Differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... Other: Transfusion reaction ... Extravascular #Causes ... #differential # ... diagnosis #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... allergy, drug reaction ... organ-specific signs ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
S/sx: Fever, flank ... Causes purpura & ... Sx include: fever ... RBCs (stored at 4C ... diagnosis #management #hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Crossmatch takes ... S/sx: Fever, flank ... Causes purpura & ... RBCs (stored at 4C ... diagnosis #management #hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Malar rash 40% - Fever ... (aPL) 30-45% Differential ... sclerosis, Still's disease ... autoantibodies #signs ... #rheumatology