A nurse is caring for a client who has a pulmonary embolism. The client is receiving heparin via continuous IV infusion at 1,200 units/hr and warfarin 5 mg PO daily. The morning laboratory values for the client are aPTT 98 seconds (30 to 40 seconds) and INR 1.8 (0.8 to 1.1). Which of the following actions should the nurse take?
Withhold the next dose of warfarin
Withhold the heparin infusion
Prepare to administer vitamin K
Prepare to administer alteplase
The Correct Answer is B
A. Withholding the next dose of warfarin is incorrect. Warfarin takes several days to reach therapeutic levels, and the INR of 1.8 is below the target range (typically 2.0–3.0 for PE treatment). Stopping warfarin is unnecessary.
B. Withholding the heparin infusion is correct. The aPTT is significantly elevated at 98 seconds (therapeutic range: 60–80 seconds for PE treatment), increasing the risk of bleeding. The nurse should pause the heparin infusion and notify the provider for dose adjustment.
C. Preparing to administer vitamin K is incorrect. Vitamin K reverses warfarin effects, but the INR of 1.8 is not dangerously high and does not require reversal.
D. Preparing to administer alteplase is incorrect. Alteplase (a thrombolytic) is used for massive PE with hemodynamic instability, not for a patient already receiving anticoagulation therapy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Making a referral for social services is appropriate as they can assist the client with discharge planning, home care services, and resources for palliative care to support the client's wishes.
B. While it is important to explain the risks of leaving against medical advice, the priority is to support the client’s desire to go home, rather than focusing on the potential consequences at this moment.
C. Contacting the facility chaplain could be beneficial for emotional support, but it does not address the immediate need for facilitating the client’s wish to go home.
D. Encouraging the client to continue with inpatient care contradicts their expressed desire to be with family, which is a crucial aspect of their emotional well-being in this situation.
Correct Answer is C
Explanation
A. Reporting suspected child maltreatment is a legal and ethical responsibility of the nurse; this action is appropriate and does not require intervention.
B. Notifying the health department about a client's diagnosis of chlamydia is a legal requirement, as it is a reportable disease, so this action is appropriate.
C. Sharing a client’s diagnosis with a hospital chaplain without the client's consent could violate the client's confidentiality and requires intervention.
D. Informing the provider about a client's suicide plan is a critical action for patient safety and does not require intervention.
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