69 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
or APTT Artifactually ... to identify the cause ... of Prolonged APTT ... #prolonged #diagnosis ... mixing #studies #PTT
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PTTProlonged ... PTTProlonged ... PTTProlonged ... Differential #Diagnosis
Prolonged APTT - Diagnostic Algorithm

#Prolonged #APTT #PTT #abnormal #Diagnosis #Algorithm #hematology
Prolonged APTT - ... Diagnostic Algorithm ... #Prolonged # ... APTT #PTT #abnormal ... #Diagnosis #Algorithm
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
PT - Prolonged ... aPTT and Prolonged ... aPTT Dr. ... Coagulation #Abnormal #APTT ... Laboratory #Hematology #Diagnosis
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
PT and/or aPTT ... aPTT) 3. ... PT and aPTT 1. ... #aPTT #Prolonged ... #Causes #diagnosis
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... PT and aPTT If ... aPTT are both prolonged ... #aPTT #Prolonged ... #Causes #diagnosis
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... PT/PTT • Low ... /INR: ↑ • PTT: ... INR < 2.3 - APTT ... #Coagulation #diagnosis
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
bleeding • Prolonged ... 2B) • Normal PT ... INR • Normal aPTT ... (prolonged if very ... VonWillebrand #Disease #Diagnosis
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... and Management ... /aPTT MAHA likely ... /aPTT normal • ... #Management #Algorithm
Causes of AKI in Pregnancy - Differential Diagnosis
Creatinine - Platelets - Transaminases - LDH - PT/PTT
Causes of AKI in ... - Differential Diagnosis ... /PTT - Schistocytes ... #Differential #Diagnosis ... #Causes #table