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

Dr.
Investigation of Abnormal ... PT - Prolonged aPTT ... #Coagulation #Abnormal ... #Hematology #Diagnosis ... #Workup
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... APTT Step 1: Is ... to identify the cause ... ISNeducation #Abnormal ... #diagnosis #hematology
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
/uL Initial Workup ... iron studies, PT/aPTT ... Matthew Ho, MD ... #Algorithm #hematology ... #workup
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... hemosiderin • PT/aPTT ... normal • DAT ... Matthew Ho, MD ... Management #Algorithm #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
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
marrow) -dys- (abnormal ... old, ~10,000 new cases ... Myelodysplastic #Syndrome #MDS ... #treatment #hematology ... #oncology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... the PT and the aPTT ... amyloidosis #Abnormal ... #Causes #diagnosis ... #differential #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Pre-analytical cause ... Jcortesizaguirr #Abnormal ... #Causes #diagnosis ... #differential #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
mixing study (aPTT ... may be normal in ... mild cases) • ... Avoid meds that ... Management #treatment #hematology