994 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Evaluate an Abnormal APTT ... : Is the PT or APTT ... cause of Prolonged APTT ... #prolonged #diagnosis ... #hematology #evaluation
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated aPTT ... - Differential Diagnosis ... Algorithm aPTT ... INR #Algorithm #Hematology ... #differential #diagnosis
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
PT - Prolonged aPTT ... PT - Prolonged aPTT ... Coagulation #Abnormal #APTT ... #Laboratory #Hematology ... #Diagnosis #Workup
Prolonged APTT - Diagnostic Algorithm

#Prolonged #APTT #PTT #abnormal #Diagnosis #Algorithm #hematology
Prolonged APTT - ... Diagnostic Algorithm ... #Prolonged #APTT ... #Diagnosis #Algorithm ... #hematology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... antiglobulin test, PT/aPTT ... hemosiderin • PT/aPTT ... #Differential #Diagnosis ... Management #Algorithm #hematology
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
INR), Prolonged PTT ... INR), Prolonged PTT ... (INR), Normal PTT ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Coagulation Cascade Mnemonic - PITT vs PET
PITT (with an I) = Intrinsic = APTT
= Intrinsic = APTT ... Mnemonic #PITT #PET #diagnosis ... #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
Hemophilia - Diagnosis ... established disease) • aPTT ... mixing study (aPTT ... Avoid meds that ... Management #treatment #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Abnormal PT and/or aPTT ... typically prolong aPTT ... may prolong the aPTT ... Prolonged #Causes #diagnosis ... #differential #hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
- Differential Diagnosis ... iron studies, PT/aPTT ... Differential Diagnosis ... #Differential #Diagnosis ... #Algorithm #hematology