15 results
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
Algorithm for workup ... of thrombocytopenia ... hemolytic uremic syndrome ... How to approach thrombocytopenia ... , Hematology 2012
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Autoimmune • ITP • SLE ... Non-lmmune: • HELLP Syndrome ... Heart Valve) #Thrombocytopenia ... Algorithm #Causes #Hematology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: ... Demyelinating syndromes ... Leucopenia/lymphopenia, Thrombocytopenia ... #Lupus #SLE #systemic ... symptoms #diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Autoimmune: SLE ... antiphospholipid syndrome ... Medicine @SCVMCMed #Thrombocytopenia ... Diagnosis #Framework #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Diagnosis and Workup ... test, ANA (e.g., SLE ... Diagnosis #Causes #Workup ... #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
SJIA], systemic lupus ... erythematosus [SLE ... leukopenia, anemia, and thrombocytopenia ... Diagnosis #Management #Hematology ... #Rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... microangiopathy: Thrombotic thrombocytopenic ... Hemolytic uremic syndrome ... usually IgG) (e.g. lupus ... differential #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
genotypes): SS, SC, SE ... Schistocytes, thrombocytopenia ... Diagnosis #Algorithm #workup ... #hematology #testing