There was an allegation that inr results from coaguchek inrange meter serial number (b)(4) may have contributed to the patient¿s admission to the hospital for low inr and treatment.The patient¿s therapeutic range at this time was reportedly 2.0 ¿ 3.0 inr.The patient¿s warfarin regimen at this time allegedly alternated between 8mg and 4 mg.The patient's testing frequency was reportedly originally planned for weekly but has changed to every "couple of days." on (b)(6) 2022 at 6:00 a.M.The meter result was reportedly 2.0 inr.On (b)(6) 2022 the patient allegedly stopped her warfarin dose and bridged with lovenox on (b)(6) 2022 in preparation for a procedure to fix the leakage around the mitral valve that was identified on a follow-up appointment from her open heart surgery that had been performed on (b)(6) 2022.On (b)(6) 2022 the patient reportedly went in for a transesophageal echocardiogram (tee) in preparation for the procedure.No leakage was found around the mitral valve but a blood clot was allegedly found.The result from an unknown laboratory method was reportedly 1.3 inr.The patient no longer needed the procedure, however, she was reportedly admitted to the hospital due to low inr.The patient was allegedly treated intravenously with a high-intensity heparin drip in addition to an unspecified dosage of warfarin.The patient was kept in the hospital until her inr was elevated.On (b)(6) 2022 the patient was discharged from the hospital with a reported lab result from an unknown method of 3.5 inr.Following this event, the patient¿s therapeutic range was changed to 3.0 ¿ 3.5 inr.The patient is currently in stable condition.This mdr is being submitted in an abundance of caution.
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