70 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
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
NEUROLOGIC - HEMOLYTIC ANEMIA ... (<1000/MM3) - THROMBOCYTOPENIA ... determined by Positive test ... Direct Coombs’ test ... #Diagnosis #Rheumatology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
breakdown • Anaemia ... Hemolysis #Hemolytic #Anemia ... Differential #Causes #Workup ... #Hematology #Diagnosis ... GrepMed Recommended Text
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... Demyelinating syndromes ... ) Blood (75%): Anemia ... Leucopenia/lymphopenia, Thrombocytopenia ... symptoms #diagnosis #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... K), H. pylori test ... thyroid function test ... changes), high MCV anemia ... #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... Non-lmmune: • HELLP Syndrome ... Heart Valve) #Thrombocytopenia ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Iron-deficiency anemia ... Myelodysplastic syndrome ... Hemolytic uremic syndrome ... Thrombotic idiopathic thrombocytopenia ... #differential #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
with leukopenia, anemia ... , and thrombocytopenia ... Liver function tests ... Treatment: • Corticosteroids ... #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 ... #anemia
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Initial screening test ... severe disease Treatment ... #Systemic #Lupus ... Summary #diagnosis #rheumatology