38 results
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
RA Rheumatic disorders ... • Inflammatory disorders ... of Liver & Lung ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... Increased Requirement (e.g ... • Small Bowel Disorder ... #elevatedMCV #Differential ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... , Liver disease, ... Unstable hemoglobin disorders ... RBC #Morphology #differential ... #diagnosis #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Chronic Disease (e.g ... Renal Disease, Liver ... Reticulocytosis • Liver ... Algorithm #Causes #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... aciduria, Drugs (e.g ... Non-megaloblastic: Liver ... MCV #Algorithm #Differential ... #Diagnosis #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Sequestration Disordered ... Rare • Drugs (e.g ... Iatrogenic) • Liver ... Algorithm #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... : INR/PT, aPTT(liver ... changes), high MCV anemia ... #Differential # ... Causes #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... - Hemolytic anemia ... deficiency • Liver ... #Diagnosis #hematology ... #rheumatology #
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
microangiopathic hemolytic anemia ... DIC is a clinical ... and laboratory ... count, D-dimer, egg ... #Hematology #Pathology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... malignancies • Anemia ... Chronic inflammatory disorders ... (e.g. autoimmune ... Diagnosis #Causes #hematology