22 results
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Blood Disorders ... Differential Diagnosis Algorithm ... ↑ WBC ... @AmyChung #Blood ... #Disorders #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Artifact (redo CBC ... • Rheumatic disorders ... effect following treatment ... following EtOH induced thrombocytopenia ... #Causes #Hematology
Consensus Indications for Irradiated RBC Transfusions:

Cellular blood components are irradiated for the prevention of TA-GVHD. Transfused
for Irradiated RBC ... Hematopoietic stem cell ... HLA-selected products (e.g ... #Irradiation #RBC ... #Indications #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... Chemotherapy (e.g ... disease, McLeod blood ... Unstable hemoglobin disorders ... differential #diagnosis #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
in peripheral blood ... High in acute blood ... (BM) ablative disorders ... of substrate (e.g ... Diagnosis #Workup #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
plateletcount), peripheral blood ... function test, ANA (e.g ... not required in all ... or if a primary hematologic ... Causes #Workup #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
microangiopathy: Thrombotic thrombocytopenic ... . lupus, CLL, lymphoma ... lymphoproliferative disorders ... • Intrinsic RBC ... differential #diagnosis #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Normal Blood Smear ... Neutrophils - Low RBC ... Increased Requirement (e.g ... • Small Bowel Disorder ... #Causes #Hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Differential Diagnosis Algorithm ... Causes: Chronic Blood ... HgbE, HgbC, etc. ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
lymphoproliferative disorders ... Lymphocytosis: Absolute blood ... Neutropenia, anemia, thrombocytopenia ... microglobulin Treatment ... workup #oncology #hematology