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

Dr.
Investigation of Abnormal Coagulation ... PT - Prolonged aPTT ... #Algorithm #Coagulation ... #Laboratory #Hematology ... #Diagnosis #Workup
Coagulation Protein Tests (PT and PTT)

#Coagulation #Tests #PTT #algorithm #differential #pathophysiology
Coagulation Protein ... Tests (PT and PTT ... ) #Coagulation ... #differential # ... pathophysiology
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
INR), Prolonged PTT ... #PPT #PT #INR #Differential ... #Diagnosis #Algorithm ... #Causes #Hematology ... #coagulation #disorders
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
/ PT - Differential ... Diagnosis Algorithm ... INR #Algorithm #Hematology ... #differential # ... diagnosis
Simplified Coagulation Cascade and Differential Diagnosis

#Coagulation #Cascade #Differential #Diagnosis #Intrinsic #Extrinsic #Pathway #Hematology
Simplified Coagulation ... Cascade and Differential ... Diagnosis #Coagulation ... #Cascade #Differential ... Extrinsic #Pathway #Hematology
Coagulation Cascade Mnemonic - PITT vs PET
PITT (with an I) = Intrinsic = APTT
Coagulation Cascade ... = Intrinsic = APTT ... @pinoygastro #Coagulation ... Mnemonic #PITT #PET #diagnosis ... #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Congenital intrinsic coagulation ... intravascular coagulation ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT/PTT ... protein C and S Pathophysiology ... INR < 2.3 - APTT ... #diagnosis #causes ... treatment #management #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... the PT and the aPTT ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Diagnosis and Management ... antiglobulin test, PT/aPTT ... hemosiderin • PT/aPTT ... #Diagnosis #Management ... #Algorithm #hematology