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

Dr.
PT - Prolonged ... aPTT and Prolonged ... PT - Prolonged ... #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 ... Prolonged? ... Prolonging the PT ... #hematology #evaluation ... mixing #studies #PTT
Prolonged APTT - Diagnostic Algorithm

#Prolonged #APTT #PTT #abnormal #Diagnosis #Algorithm #hematology
Prolonged APTT - ... Diagnostic Algorithm ... #Prolonged # ... APTT #PTT #abnormal ... #hematology
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
/ PT - Differential ... Diagnosis Algorithm ... / Final PT: Extrinsic ... #PT #INR #Algorithm ... #Hematology #differential
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal PT ... Prothrombin Time (PT ... PT too 2. ... PT and aPTT 1. ... #differential #hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Differential Diagnosis Algorithm ... /uL Initial Workup ... iron studies, PT ... /aPTT Differential ... #hematology #workup
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
bleeding • Prolonged ... 2B) • Normal PT ... INR • Normal aPTT ... (prolonged if very ... Disease #Diagnosis #Hematology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management Algorithm ... antiglobulin test, PT ... /aPTT MAHA likely ... hemosiderin • PT ... #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... PT/PTT • Low ... Fibrinogen: ↓ • PT ... /INR: ↑ • PTT: ... treatment #management #hematology