The term "International Normalized Ratios" (INRs) refers to a standardized system used to measure the clotting activity of blood when a patient is on anticoagulant therapy, commonly used to treat conditions such as atrial fibrillation and deep vein thrombosis. Synonyms for INRs include Coagulation Ratios, Anticoagulant Measures, and International Coagulation Index. These alternative terms provide a clearer understanding of the purpose of this measurement system, emphasizing the evaluation of clotting activity and the effectiveness of anticoagulant treatment. These synonyms enable healthcare professionals and patients to discuss and assess blood clotting levels and understand the impact of anticoagulant therapy more comprehensively.