55 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... • Peripheral blood ... causes are asthma, allergy ... #Differential #diagnosis ... #hematology #eosinophilia
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential Diagnosis ... Allergies): - Allergic ... Rhinitis - Allergic ... #Differential #Diagnosis ... #Causes #hematology
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Syndrome (HES) - Diagnosis ... attributable to eosinophilia ... with blood eosinophilia ... Secondary Causes: - Allergic ... #diagnosis #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... disease, McLeod blood ... iron deficiency anemia ... #differential #diagnosis ... #hematology #microscopy
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
the peripheral blood ... including chronic blood ... > 3: • Acute blood ... Production #Index #hematology ... #diagnosis #calculation
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... Iron-deficiency anemia ... Sideroblastic anemia ... Morphology #Atlas #key #diagnosis ... #differential #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
- Differential Diagnosis ... Reactive: • Anemia ... /blood loss (Fe ... #Differential #Diagnosis ... causes #Platelets #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... disease, Acute blood ... loss, Anemia of ... #differential #diagnosis ... #causes #hematology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
- Differential Diagnosis ... • Eosinophilia ... hypereosinophilia > 1500): Allergic ... #Differential #Diagnosis ... #causes #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... - Differential Diagnosis ... Algorithm Blood ... #Differential #Diagnosis ... Algorithm #Causes #Hematology