Lab-Hemostasis ============== Mercy Specifics: ================ International Normalized Ratios (INRs) for PTs: Indication INR Range ----------------------------------------------------------------------- DVT Prophylaxis (high-risk surgery) DVT Treatment PE Treatment 2.0-3.0 Tissue Heart Valves AMI Valvular Heart Disease A fib Mechanical Heart Valves 3.0-4.5 Recurrent Systemic Embolism -----------------------------------------------------------------------