The patient has been receiving heparin therapy for deep vein thrombosis (DVT). The patient’s activated partial thromboplastin time (aPTT) result is 90 seconds (therapeutic range: 60-80 seconds). What will be included in patient care? (Select all that apply.).
Assessing for signs and symptoms of bleeding
Continuing heparin therapy at current rate
Decreasing heparin therapy per protocol
Holding heparin therapy per protocol
Increasing heparin therapy per protocol.
Correct Answer : A,D
A patient with a high aPTT result is at risk for bleeding, so assessing for signs and symptoms of bleeding is important.
Holding heparin therapy per protocol is also appropriate, as heparin is the cause of the prolonged aPTT.
The other choices are wrong because:
• Choice B is wrong because continuing heparin therapy at the current rate will increase the risk of bleeding and further prolong the aPTT.
• Choice C is wrong because decreasing heparin therapy per protocol is not enough to reverse the effects of heparin.
Heparin should be stopped until the aPTT returns to the therapeutic range.
• Choice E is wrong because increasing heparin therapy per protocol will worsen the situation and cause more bleeding and coagulation problems.
The normal range for aPTT is 25 to 35 seconds, and the therapeutic range for heparin therapy is 60 to 80 seconds. A result of 90 seconds indicates excessive anticoagulation and increased bleeding risk.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C"]
Explanation
Dabigatran etexilate mesylate (Pradaxa) is a medication that prevents blood clots and reduces the risk of stroke in patients with atrial fibrillation.
However, it can also cause bleeding as a side effect.
Therefore, the nurse should instruct the client to report any signs of unusual bleeding or bruising, blood in urine or stool, or abdominal pain or swelling immediately.These could indicate a serious complication such as gastrointestinal bleeding, hemorrhage, or internal organ damage.
Choice D, headache or dizziness, is not a correct answer.
Although these symptoms could be caused by dabigatran, they are not as serious or urgent as bleeding.
They could also be due to other factors such as dehydration, low blood pressure, or stress.The nurse should advise the client to monitor these symptoms and seek medical attention if they persist or worsen.
Choice E, shortness of breath, is not a correct answer.
Shortness of breath is not a common side effect of dabigatran.
However, it could be a symptom of atrial fibrillation or its complications such as heart failure or stroke.The nurse should educate the client about the signs and symptoms of these conditions and instruct them to call 911 if they experience chest pain, palpitations, fainting, or weakness.
Correct Answer is A
Explanation
The correct answer is choice A) Activated partial thromboplastin time (aPTT).This is because aPTT is the most commonly used laboratory test to monitor the therapeutic effect of heparin therapy.
Heparin is an anticoagulant that inhibits the formation of thrombin and fibrin, which are essential for blood clotting.Heparin therapy is indicated for the treatment of deep vein thrombosis (DVT), which is a condition where blood clots form in the deep veins of the legs or pelvis.
Choice B) Prothrombin time (PT) is wrong because PT is used to monitor the therapeutic effect of warfarin therapy, not heparin therapy.
Warfarin is another anticoagulant that inhibits the synthesis of vitamin K-dependent clotting factors.Warfarin therapy is also indicated for the treatment of DVT, but it has a different mechanism of action and monitoring than heparin therapy.
Choice C) International normalized ratio (INR) is wrong because INR is a standardized way of reporting PT results that accounts for the variability of different laboratory methods.INR is also used to monitor the therapeutic effect of warfarin therapy, not heparin therapy.
Choice D) Platelet count is wrong because platelet count is not directly affected by heparin therapy.However, platelet count should be monitored periodically in patients receiving heparin therapy to detect heparin-induced thrombocytopenia (HIT), which is a rare but serious complication of heparin therapy that causes a drop in platelet count and an increased risk of thrombosis.
Choice E) Hemoglobin is wrong because hemoglobin is not directly affected by heparin therapy.However, hemoglobin should be monitored periodically in patients receiving heparin therapy to detect bleeding complications, which are the most common adverse effects of heparin therapy.
The normal range for aPTT is 25 to 35 seconds, but the therapeutic range for heparin therapy is usually 1.5 to 2.5 times the normal range, depending on the indication and protocol.
The normal range for PT is 11 to 13 seconds, and the therapeutic range for warfarin therapy is usually an INR of 2 to 3, depending on the indication and protocol
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