54 results
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
Platelet disorders ... morphology — normal ... count and morphology ... #disorders #hematology ... #diagnosis #Aggregometry
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... Diagnosis Platelet ... Reactive: • Anemia ... #Diagnosis #causes ... #Platelets #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Blood Cell (RBC) Morphology ... Atlas • Microcytic ... #Atlas #key #diagnosis ... #differential # ... hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... Unstable hemoglobin disorders ... #differential # ... diagnosis #hematology ... #microscopy #atlas
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Diagnosis Algorithm ... - Abnormal morphology ... Pelger-Huet, Macrocytic anemia ... #hematology #Markers
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Disorders - Differential ... Diagnosis and Workup ... changes), high MCV anemia ... #Disorders #Differential ... #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... - Hemolytic anemia ... #Diagnosis #hematology ... #nonpalpable #dermatology
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Leukocytosis - Differential ... Diagnosis Algorithm ... hepatomegaly • Labs: anemia ... , ↑ MCV, ↑/↓ platelets ... #hematology #WBC
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Diagnosis Algorithm ... Sequestration Disordered ... Platelet Function ... Rare • Drugs (e.g ... #Causes #Hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
and laboratory diagnosis ... , not a morphologic ... other testing (platelet ... count, D-dimer, egg ... #Hematology #Pathology