11 results
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... blood loss, Acute hemolysis ... Vasculitides, IBD, Celiac disease ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
DIC/TTP/HUS - Hemolytic ... fever • Drug reactions ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... microangiopathy: Thrombotic thrombocytopenic ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... with or without platelet ... Schistocytes, thrombocytopenia ... Consider RBC membrane disorder ... #workup #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... - Differential ... Diagnosis and Workup ... #Platelet #Disorders ... #Workup #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
for Thrombotic Thrombocytopenic ... hallmark for the disease ... Platelet count ... WBC count and differential ... #Workup #Hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
purpura & severe thrombocytopenia ... common following platelet ... Borrellia (Lyme disease ... #Transfusion #diagnosis ... #management #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
disorder with hypogammaglobulinemia ... specifically immune thrombocytopenia ... and autoimmune hemolytic ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
purpura & severe thrombocytopenia ... Graft Versus Host Disease ... Borrellia (Lyme disease ... #Transfusions #diagnosis ... #management #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Myeloproliferative Disease ... blood count with differential ... Myelodysplastic #Syndromes #diagnosis ... #hematology #oncology