A nurse caring for a patient receiving heparin therapy notes that the patient has a heart rate of 110 beats per minute and a blood pressure of 90/62 mm Hg. A stat CBC shows a platelet count of less than 50,000, which is a low platelet count. The previous platelet level was 375,000. The nurse will:
Hold the heparin and notify the provider
Request an order for vitamin K (phytonadione)
Request an order for a PTT test
Administer oxygen and notify the provider
The Correct Answer is A
Choice A reason:
Holding the heparin and notifying the provider is the appropriate action. The significant drop in platelet count suggests the possibility of heparin-induced thrombocytopenia (HIT), a serious complication of heparin therapy. Immediate discontinuation of heparin and further evaluation are necessary to manage this condition.
Choice B reason:
Requesting an order for vitamin K (phytonadione) is not appropriate in this scenario. Vitamin K is used to reverse the effects of warfarin, not heparin. The issue here is the potential for HIT, not an over-anticoagulation that requires vitamin K.
Choice C reason:
While requesting a PTT test is part of managing anticoagulation therapy, it is not the immediate priority in this case. The significant drop in platelet count is more concerning for HIT, which requires stopping heparin and notifying the provider for further evaluation.
Choice D reason:
Administering oxygen and notifying the provider is not specific to managing the issue of a significantly low platelet count in a patient on heparin. The primary concern here is the potential for HIT, which necessitates stopping the heparin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason:
Hypotension is not the likely cause of chest pain that does not improve after sublingual Nitroglycerin in a patient with a history of atherosclerosis. While hypotension can cause symptoms, the description of chest pain at rest that does not respond to Nitroglycerin suggests a more severe cardiac issue.
Choice B reason:
Stable angina typically occurs with exertion and is relieved by rest or Nitroglycerin. Chest pain consistent at rest that does not improve with Nitroglycerin suggests unstable angina, which is a more serious condition and requires immediate medical attention.
Choice C reason:
Unstable angina is the correct answer. It occurs when chest pain happens at rest and is not relieved by Nitroglycerin, indicating that the blood flow to the heart is severely restricted. This condition is a medical emergency as it can lead to a myocardial infarction.
Choice D reason:
Coronary vasodilation would typically relieve chest pain by increasing blood flow to the heart. The pain described is more consistent with unstable angina, where there is a significant reduction in blood flow to the heart that does not respond to vasodilation.
Correct Answer is C
Explanation
Choice A reason:
Amoxicillin is an antibiotic used to treat bacterial infections. It has no role in the management of atrial fibrillation, which is a cardiac rhythm disorder. Antibiotics do not address the prevention of thromboembolism or the control of heart rate or rhythm.
Choice B reason:
Reglan (metoclopramide) is a medication used to treat gastroesophageal reflux disease (GERD) and gastroparesis. It does not have any indication for use in atrial fibrillation. The management of atrial fibrillation focuses on rate or rhythm control and anticoagulation.
Choice C reason:
Rivaroxaban (Xarelto) is an anticoagulant that is commonly prescribed for patients with atrial fibrillation to prevent stroke and systemic embolism. Since atrial fibrillation increases the risk of thromboembolism, anticoagulation is a crucial component of the treatment plan to reduce the risk of stroke.
Choice D reason:
Omeprazole is a proton pump inhibitor used to treat acid-related stomach issues such as GERD. It is not relevant to the management of atrial fibrillation. The primary concerns in managing atrial fibrillation are controlling the heart rate and preventing thromboembolism, which omeprazole does not address.
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