A patient is receiving IV heparin 5000 U every 6 hours. An activated partial thromboplastin time (aPTT) is drawn 1 hour before the 08:00 am dose. The PTT is 92 seconds. What is the most appropriate action by the nurse?
A) Give the next two doses at the same time
B) Give the dose and chart the patient response
C) Check the patient's vital signs and give the dose
D) Hold the dose and the call the aPTT result to the physician's attention
D
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