2224 results
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Investigation of Abnormal ... #Coagulation #Abnormal ... APTT #Laboratory #Hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Clotting tests can be abnormal ... an inhibitor of normal ... Plasma → Recheck abnormal ... Study #diagnosis #hematology ... pathophysiology #hematology
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... ISNeducation #Abnormal ... prolonged #diagnosis #hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Positive - Low/Normal ... Saturation 90%, Abnormal ... carboxyhemoglobin, Abnormal ... Heart Disease Abnormal ... Algorithm #Causes #Hematology
Prolonged APTT - Diagnostic Algorithm

#Prolonged #APTT #PTT #abnormal #Diagnosis #Algorithm #hematology
Prolonged #APTT #PTT #abnormal ... Diagnosis #Algorithm #hematology
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Reticulocytes • Abnormal ... Diagnosis #Algorithm #hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Myelodysplastic Disorder - Abnormal ... Myeloproliferation Disorder - Abnormal ... Blood #Disorders #hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
of Anemia with Normal ... PRV, Chronic) Normal ... Anemias (MAHA) - Abnormal ... Hemoglobinopathy - Normal ... Algorithm #Causes #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Destruction • Abnormal ... Algorithm #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Diagnosis Algorithm Normal ... Target Cells, Normal ... WBCs - Normal ... Deficiency - Abnormal ... Algorithm #Causes #Hematology