Sir My 50 years old wife is suffering from PULMONARY EMBOLISM Disease since last three years and continue the Blood smoothness medicine but in Recent check up her INR is 1.35 and the Doctor has increased the Dose acitrom 3mg. Kindly advise.

Dr. S K MittalGeneral Physician42yrs exp

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Blood's ability to clot is measured by the time it takes to begin to clot ... called the prothrombin time. Because that varies with for example, humidity, when they test your blood, they compare it against a standard and produce a number called the INR (International Normalized Ratio) If say normal blood takes 10 secs to begin to clot, and your blood takes 14 seconds, then the INR is 14/10 = 1.4 if it takes 20 secs, then the INR is 2.0. So normal blood must have an INR of 1.0 (1/1) So, the higher the INR number, the longer it takes your blood to clot (which in thinness language means your blood is thinner).now you will under stand clearly. continue acitrom 3 mg. thanks 

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