Problem: The nurse is preparing to administer an anticoagulant. Group the correct nursing implications with the correct drug. Some options may be used more than once. Heparin Warfarin Provide the patient with detailed written and verbal instructions regarding the purpose of treatment, dosage size and timing, and the importance of careful adherence to the dosing schedule. Also, provide the patient with a chart on which to keep an ongoing record of drug use. Intravenous (continuous infusion or intermittent) and subQ. Avoid IM injections! Evaluate therapy by monitoring PT. Test results are reported as an international normalized ratio (INR). For most patients, the target INR is 2 to 3. Dosage is prescribed in units, not milligrams. Heparin preparations vary widely in concentration; read the label carefully to ensure correct dosing. Policy may require that dosage be double-checked by a second person.