4 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
and/or aPTT Prolonged ... the aPTT alone ... PT and aPTT 1. ... #aPTT #Prolonged ... Causes #diagnosis #differential
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... PT and aPTT If ... aPTT are both prolonged ... #aPTT #Prolonged ... #hematology #coagulation
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... #differential # ... #microscopy #atlas ... #nomenclature
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
Normal platelet, PT ... , PTT (diff from ... count and platelet morphology ... considered first-line ... #hemepath #differential