580 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... • Prolonged PT ... Differential #Diagnosis #Algorithm ... #Causes #Hematology ... #coagulation #disorders
Coagulation Protein Tests (PT and PTT)

#Coagulation #Tests #PTT #algorithm #differential #pathophysiology
Coagulation Protein ... Tests (PT and PTT ... ) #Coagulation ... #Tests #PTT #algorithm
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... Tests - Prolonged PT ... and Prolonged PT ... #Coagulation #Abnormal
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Congenital intrinsic coagulation ... Pre-analytical cause ... intravascular coagulation ... aPTT #Prolonged #Causes
Coagulation cascade and anticoagulants 

Satyendra Dhar MD, @DharSaty

#coagulation #coumadin #heparin #warfarin #apaxiban #pradaxa #xarelto #DOAC #vWF
Coagulation cascade ... @DharSaty #coagulation ... thrombin #ptt #pt
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... • Vasculitis Coagulation ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Intravascular Coagulation ... • Prolonged PT ... Fibrinogen: ↓ • PT ... Treat primary cause ... #diagnosis #causes
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
for a Prolonged PT ... and aPTT If the PT ... Causes include : ... Pre-analytical cause ... differential #hematology #coagulation
Coagulation Cascade Mnemonic - PITT vs PET
PITT (with an I) = Intrinsic = APTT
Coagulation Cascade ... E)= Extrinsic=PT ... @pinoygastro #Coagulation
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Elevated aPTT / PT ... Differential Diagnosis Algorithm ... Intrinsic / Final PT ... Elevated #aPTT #PT ... #INR #Algorithm