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

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... aPTT and Prolonged ... #Coagulation #Abnormal ... #Hematology #Diagnosis
Prolonged APTT - Diagnostic Algorithm

#Prolonged #APTT #PTT #abnormal #Diagnosis #Algorithm #hematology
Prolonged APTT - ... Diagnostic Algorithm ... #Prolonged # ... APTT #PTT #abnormal ... #hematology
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... Artifactually Prolonged ... ISNeducation #Abnormal ... #APTT #prolonged ... #diagnosis #hematology
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Interpretation Algorithm ... • Normal • ... #Pulmonary #FunctionTests ... Interpretation #Algorithm
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PTTProlonged ... PTT, Normal PT ... PTT, Normal PT ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Early liver disease ... Reduced liver synthesis ... #PT #aPTT #Prolonged ... #differential #hematology
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... specific for the liver ... SinaiBmoreIMRes #Liver ... #FunctionTest # ... Transaminitis #diagnosis #hepatology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
PT and aPTT If ... • Reduced liver ... amyloidosis #Abnormal ... #PT #aPTT #Prolonged ... #differential #hematology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
bleeding • Prolonged ... type 2B) • Normal ... PT/INR • Normal ... aPTT (prolonged ... 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 ... hemosiderin • PT/aPTT ... normal • DAT ... #hematology