25 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Workup History ... test, ANA (e.g., SLE ... changes), high MCV anemia ... #Causes #Workup ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... - Hemolytic anemia ... Splenomegaly - CTD (SLE ... Associated - SLE ... #hematology #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... Autoimmune • ITP • SLE ... HUS • DIC • Vasculitis ... #Hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... organ-specific signs ... #Differential #diagnosis ... #hematology #eosinophilia
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... ANCA associated vasculitis ... erythematosus (SLE ... Cancer, Histiocytic disorders ... #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... cardiac valve, vasculitis ... Consider RBC membrane disorder ... #Algorithm #workup ... #hematology #testing
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Butterfly rash, Vasculitis ... ) Blood (75%): Anemia ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Labs/Diagnosis: ... erythematosus (SLE ... classification #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... • Anemia of inflammation ... #Rheumatology
Monoclonal Gammopathy of Undetermined Significance (MGUS) - Summary Framework

Hematologic disorder characterized by the presence of either
disorder characterized ... No evidence of anemia ... insufficiency, Anemia ... #Significance #hematology ... #diagnosis #oncology