The nurse is auscultating a 6-month-old client’s apical heart rate before giving a dose of digoxin and notes that the heart rate is 89 beats per minute. Which action should the nurse take?
Withhold the digoxin and assess for signs of decreased cardiac output and digoxin toxicity
Withhold the digoxin and re-evaluate the heart rate in 4 hours
Administer half of the prescribed dose to avoid further decrease in heart rate
Administer the digoxin; the heart rate would be considered normal because of the client’s age
The Correct Answer is A
Choice A reason: A heart rate of 89 beats per minute in a 6-month-old (normal 90–160) is low, indicating potential digoxin toxicity or decreased cardiac output. Withholding digoxin and assessing for symptoms like nausea or arrhythmias is critical to prevent harm, making this the correct action for the nurse.
Choice B reason: Withholding digoxin and re-evaluating in 4 hours delays necessary assessment for toxicity or cardiac compromise in a 6-month-old with a low heart rate (89 bpm). Immediate evaluation is needed, making this incorrect, as it risks missing critical signs of digoxin-related complications.
Choice C reason: Administering half the digoxin dose is unsafe without confirming the cause of the low heart rate (89 bpm). In infants, this could worsen toxicity or bradycardia. Withholding and assessing for toxicity is safer, making this an incorrect action for managing potential digoxin complications.
Choice D reason: A heart rate of 89 bpm is below normal for a 6-month-old (90–160 bpm), and administering digoxin risks worsening bradycardia or toxicity. Normal infant heart rates are higher, making this incorrect, as the nurse must withhold the dose and assess for complications.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: The femoral pulse assesses lower extremity circulation, not cerebral blood flow. For evaluating brain circulation in an irregular heartbeat, the carotid pulse is more direct, as it supplies the brain. This makes femoral an incorrect choice for assessing cerebral perfusion in this context.
Choice B reason: The carotid pulse is the most appropriate site to evaluate cerebral circulation, as it directly supplies blood to the brain. In irregular heartbeats, assessing carotid pulse ensures adequate brain perfusion, making this the correct choice for the nurse to use in this scenario.
Choice C reason: The radial pulse assesses peripheral circulation, not cerebral blood flow. While useful for general pulse checks, it is less relevant for brain circulation compared to the carotid, making it an incorrect choice for evaluating cerebral perfusion in a client with an irregular heartbeat.
Choice D reason: The popliteal pulse assesses lower leg circulation, not cerebral blood flow. Carotid pulse is the primary site for evaluating brain perfusion in irregular heartbeats, as it directly supplies the brain, making popliteal an incorrect choice for this specific assessment purpose.
Correct Answer is A
Explanation
Choice A reason: Walking promotes collateral circulation in peripheral vascular disease, improving blood flow and reducing claudication. Regular exercise strengthens muscles and enhances perfusion, mitigating ischemic symptoms. This is a key instruction, as it directly addresses arterial insufficiency, supporting functional status and cardiovascular health in affected clients.
Choice B reason: Knee-length stockings may restrict blood flow in peripheral vascular disease, especially arterial insufficiency, worsening ischemia. Compression is used for venous disease, not arterial. This instruction is incorrect, as it could exacerbate symptoms, requiring teaching on avoiding tight clothing to maintain circulation.
Choice C reason: Shopping for shoes in the morning is less relevant, as foot swelling in peripheral vascular disease occurs later in the day. Properly fitted shoes are important, but walking is a more direct intervention to improve circulation, making this a less critical instruction for managing the condition.
Choice D reason: Elevating legs is appropriate for venous disease to reduce edema but may worsen arterial insufficiency in peripheral vascular disease by reducing blood flow to extremities. Walking is preferred to enhance perfusion, making leg elevation an incorrect instruction for clients with arterial pathology.
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