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

Dr.
Abnormal Coagulation Tests ... - Prolonged PT ... and Prolonged PT ... #Laboratory #Hematology ... #Diagnosis #Workup
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Evaluate an Abnormal APTT ... Step 1: Is the PT ... Prolonging the PT ... prolonged #diagnosis #hematology ... #evaluation #mixing
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated aPTT ... / PT - Differential ... Intrinsic / Final PT ... #Elevated #aPTT ... #Hematology #differential
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Direct antiglobulin test ... , PT/aPTT MAHA ... hemosiderin • PT ... /aPTT normal • ... Management #Algorithm #hematology
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged PT ... • Prolonged PT ... • Prolonged PT ... #INR #Differential ... Algorithm #Causes #Hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
/uL Initial Workup ... iron studies, PT ... /aPTT Differential ... Diagnosis #Algorithm #hematology ... #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
smear, HIV/HCV testing ... selected cases: INR/PT ... , aPTT(liver disease ... - Bone marrow evaluation ... #hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... • Clotting tests ... PT and/or aPTT) ... Study #diagnosis #hematology ... pathophysiology #hematology
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Prothrombin Time (PT ... Prothrombin Time (PT ... • Underfilled test ... thematttsai #PT ... Thromboplastin #laboratory #hematology
Initial triage of the neutropenic adult - Algorithm for the evaluation and treatment of adult patients
Algorithm for the evaluation ... neutropenia #Algorithm #workup ... #diagnosis #hematology ... #indications #differential