17 results
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... Reticulocytosis • Primary ... Hypersplenism • Secondary ... #Hematology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Algorithm and Causes ... Urobilinogen • + urinary ... #Hemolytic #Anemia ... #Algorithm #Differential ... #Hematology #Diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... microangiopathy: Thrombotic thrombocytopenic ... usually IgM) (e.g. primary ... #differential # ... #anemia
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... malignancies • Anemia ... iron deficiency, hemolysis ... Post-splenectomy Primary ... #hematology #secondary
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
/Quantity: • Primary ... Causes: - Thrombocytopenia ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... #nonpalpable #dermatology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Hyperuricemia - Differential ... of nucleotides Primary ... Leukemia (CML) - Hemolytic ... Anemia - Others ... endocrinology #causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... Myelogenous Leukemia • Primary ... following EtOH induced thrombocytopenia ... Iron deficiency anemia ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Platelet Disorders - Differential ... changes), high MCV anemia ... unclear, or if a primary ... #Workup #hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Causes == Primary ... renal failure/uremia ... #secondary #systemic ... #generalized #dermatology ... Diagnosis #Algorithm #causes
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
for Thrombotic Thrombocytopenic ... result in severe anemia ... anemia Indirect ... WBC count and differential ... Diagnosis #Workup #Hematology