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

Dr.
Algorithm for Investigation ... 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
Step 1: Is the ... PT or APTT Artifactually ... to identify the cause ... #prolonged #diagnosis ... #hematology #evaluation
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PTT, Normal PT ... #Differential #Diagnosis ... #Algorithm #Causes ... #Hematology #coagulation
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Algorithm • 12 ... iron studies, PT ... /aPTT Differential ... #Algorithm #hematology ... #workup
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... and Management Algorithm ... /aPTT MAHA likely ... schistocytes > 1% ... #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
PT and/or aPTT ... too 2. ... and aPTT 1. ... #Causes #diagnosis ... #differential #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... PT and the aPTT ... 1. ... #Causes #diagnosis ... #differential #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... : INR/PT, aPTT(liver ... #Causes #Workup ... #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity is the diagnostic ... available for rapid diagnosis ... be performed PT ... , PTT, and fibrinogen ... #Workup #Hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Algorithm Polycythemia ... an underlying cause ... Better call hematology ... #Algorithm #workup ... #hematology