Coagulation Tests
Department of Medicine
SC2 2021-2022
Data Interpretation
,Learning Outcomes
At the end of this session, students should be able to:
• Describe common coagulation tests
• Explain the indications for performing PT and APTT
• List common causes for abnormal PT and APTT
• Explain the appropriate monitoring tests for warfarin and
heparin
,Coagulation
• Haemostasis
– the process of bleeding cessation
– clot formation at the site of vesse
• Involves the interplay of blood
vessel walls, platelets and clott
factors
• Abnormal bleeding or thrombos
can occur when one of the
processes does not occur, or is
Virchow’s Triad describes the factors that drive thrombosis formation
dysfunctional
, The Steps of Clot Formation
Department of Medicine
SC2 2021-2022
Data Interpretation
,Learning Outcomes
At the end of this session, students should be able to:
• Describe common coagulation tests
• Explain the indications for performing PT and APTT
• List common causes for abnormal PT and APTT
• Explain the appropriate monitoring tests for warfarin and
heparin
,Coagulation
• Haemostasis
– the process of bleeding cessation
– clot formation at the site of vesse
• Involves the interplay of blood
vessel walls, platelets and clott
factors
• Abnormal bleeding or thrombos
can occur when one of the
processes does not occur, or is
Virchow’s Triad describes the factors that drive thrombosis formation
dysfunctional
, The Steps of Clot Formation
