11 results
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Mean corpuscular (cell ... Red cell distribution ... of substrate (e.g ... Algorithm #Diagnosis #Workup ... #Hematology #Microcytic
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC) Morphology Microcytic ... (sometimes) Macrocytic ... Chemotherapy (e.g ... Liver disease, Etc ... differential #diagnosis #hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
• Secondary (e.g ... Polychromatic Macrocytes ... RBCs - Sickle Cells ... , Target Cells ... Algorithm #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
• Drugs Oval Macrocytes ... Increased Requirement (e.g ... Macrocytosis, Target Cells ... Liver Disease #Macrocytic ... Algorithm #Causes #Hematology
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
(e.g. ... Sickled red cells ... Bite cells: G6PD ... Smear #Analysis #hematology ... interpretation #clinical
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Iron Deficiency (Eg ... Other • e.g ... HgbE, HgbC, etc. ... #Microcytic #Anemia ... Algorithm #Causes #Hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
DIC is a clinical ... non-specific red cell ... polychromatophilic cells ... count, D-dimer, egg ... #Hematology #Pathology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... not be subtle e.g ... E.g. 80 yo ESR cutoff ... systemic complaints- anemia ... them, but urgent rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... Still disease, dermatomyositis ... • Malignancy (e.g ... Endocrine disorders (e.g ... lymphopenia, low PLT • Anemia
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
▪ Infections (e.g ... pro-inflammatory cytokines (e.g ... Immunosuppression (e.g ... anti-IFN-γ antibodies (e.g ... Diagnosis #Management #Hematology