]> 2026-07-31T12:14:28+00:00 WBR0967 0 en Initial regimen on low molecular weight heparin Monitoring prothrombin time and platelet count Initial regimen with bivaluridin Adding I.V corticosteroids to heparin and warfarin Higher doses of unfractionated heparin and warfarin Emergency Room A 54 year old woman comes to the emergency department with complaints of shortness of breath. She was in her usual state this morning but suddenly developed these symptoms. Her past history is otherwise insignificant and her family history is unremarkable. She is a chronic smoker and smoked two packs of cigarette for the past 25 years. She attained menopause at the age of 50 and is taking estrogen supplements. Her vitals are temperature: 36.7 C, blood pressure: 130/80 mmHg, pulse: 90/min and respirations: 15/min. The patients pulse oximetry shows 92 % on 4-litres of oxygen. All system examinations are normal. V/Q scan of the chest shows high probability for pulmonary embolism. Her initial laboratory values are : Hb : 11 g/dl Hct : 37% RBC’s : 3 million/cmm WBC’s : 8000/cmm Platelet’s : 300,000/cmm PT : 13 sec (N 11-15 sec) INR : 1.06 You start the patient on unfractionated heparin and warfarin. Her symptoms gradually resolve over the next three days. A repeat CBC on the 5th day reveals a platelet count of 60,000/cumm. Which would have been the most useful step that would have prevented the condition? A Hematology 2020-10-28T02:13:46Z 2459150.5928935 WBR0967