52 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... Diagnosis and Workup ... decreased PLT count: CBC ... primary hematologic disorder ... #Workup #hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Blood Disorders ... o CML - bcr-able ... (+) ↑ WBC ... o Other bcr-able ... #hematology #Markers
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... 1,500 cells/µL Workup ... for secondary causes ... glucocorticoid treatment
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Artifact (redo CBC ... • Rheumatic disorders ... effect following treatment ... #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
RBCs Decreased RBC ... Membrane Disorder ... Disorder - Acquired ... Diagnosis #Algorithm #Causes ... #Hematology
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
Biliary Cirrhosis (PBC ... ) - Summary PBC ... intralobular bile ducts causes ... cholangitis #diagnosis #workup ... #hepatology
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
Causes of ileitis ... include systemic disorders ... See below for table ... www.ncbi.nlm.nih.gov/pmc ... #Differential #Table
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
(MCV): Average RBC ... wide range of RBC ... (BM) ablative disorders ... Algorithm #Diagnosis #Workup ... #Hematology #Microcytic
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
hypertension • Unusual RBC ... acanthocytes - Consider RBC ... membrane disorder ... Diagnosis #Algorithm #workup ... #hematology #testing
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
count cause hyperviscosity ... organ damage • Treatment ... Low calcium • Treatment ... - Hyperkalemia treatment ... diagnosis #management #hematology