32 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PTT • Prolonged ... • Prolonged PTT ... #Diagnosis #Algorithm ... #Causes #Hematology
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... - Prolonged aPTT ... - Prolonged aPTT ... Coagulation #Abnormal #APTT ... #Laboratory #Hematology
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated aPTT ... aPTT: Intrinsic ... #Elevated #aPTT ... #PT #INR #Algorithm ... #Hematology #differential
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Thromboplastin Time (PTT ... Thromboplastin Time (PTT ... #PTT #Prothrombin ... Thromboplastin #laboratory ... #hematology #diagnosis
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Diagnosis and Management ... Algorithm Suspected ... /aPTT MAHA likely ... /aPTT normal • ... #Algorithm #hematology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
GI. uterine) Laboratory ... 2B) • Normal PT ... /INR • Normal ... aPTT (prolonged ... Disease #Diagnosis #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
/PTT • Low plasma ... /INR: ↑ • PTT: ... < 2.3 - APTT ... #treatment #management ... #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
and aPTT If the ... PT and the aPTT ... Causes include : ... #aPTT #Prolonged ... #differential #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
in selected cases ... : INR/PT, aPTT(liver ... patients if the cause ... or if a primary hematologic ... #Workup #hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
normal activity in ... PT and/or aPTT) ... Study #diagnosis #hematology ... pathophysiology #hematology ... #laboratory