18 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... 1,500 cells/µL Workup ... drug reaction, infection ... Differential #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
, autoimmune disorder ... lymphoid malignancy (CLL ... Positive Coombs testing ... chills, flank pain ... hemolytic #anemia #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... procedures - Infection ... smear, HIV/HCV testing ... not required in all ... #hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Mechanical/degenerative disorders ... Morning stiffness lasting ... • Mycobacterial ... - Autoimmune Rheumatologic ... Diagnosis #MSK #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Framework Non-Infectious ... Vasculitides: Giant Cell ... Cancer, Histiocytic disorders ... pneumoniae • Mycobacterial ... Differential #Diagnosis #rheumatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
incompetent • CLL ... weeks without infection ... lymphoproliferative disorders ... Leukemia #diagnosis #workup ... #oncology #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Consider sickle cell ... inclusions - If infection ... Consider RBC membrane disorder ... Diagnosis #Algorithm #workup ... #hematology #testing
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Approach to Joint Pain ... gonorrhea, Lyme, mycobacterial ... Send for cell count ... #rheumatology # ... approach #workup
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
can mimic common infections ... Diagnosis via genetic testing ... Low or absent NK cell ... agent are the main ... management #treatment #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
burning sensation or pain ... syndrome • Giant cell ... arteritis Infections ... following: • Mycobacterial ... rash #diagnosis #rheumatology