PT INR

The PT INR (Prothrombin Time / International Normalized Ratio) test is a vital diagnostic tool primarily used to monitor how well your blood clots and to ensure that blood-thinning medications, such as warfarin, are at a safe and effective dosage. By measuring the time it takes for a clot to form in a blood sample, this test helps healthcare providers prevent life-threatening complications like strokes, heart attacks, or deep vein thrombosis (DVT) caused by excessive clotting. Simultaneously, it acts as a critical safety check to ensure your blood is not too thin, which would put you at a high risk for internal bleeding or haemorrhage, making it an indispensable part of long-term anticoagulation therapy and preoperative assessments.