A client has intra-arterial blood pressure monitoring after a myocardial infarction. The nurse notes that the client's heart rate has increased from 88 to 110 beats/min, and the blood pressure dropped from 120/82 to 100/60 mm Hg. What action by the nurse is most appropriate?
Allow the client to rest quietly.
Document the findings in the chart.
Assess the client for bleeding.
Medicate the client for pain.
The Correct Answer is C
A. Allow the client to rest quietly: While rest is generally beneficial, the combination of tachycardia and hypotension suggests possible acute complications such as bleeding or cardiogenic shock. Simply allowing the client to rest does not address the underlying cause and could delay life-saving interventions.
B. Document the findings in the chart: Documentation is important for communication and legal purposes, but it is not an immediate intervention. The nurse must first assess the client for potential causes of hemodynamic instability before charting.
C. Assess the client for bleeding: A drop in blood pressure with a compensatory increase in heart rate may indicate hypovolemia from internal or external bleeding, especially if the client has invasive lines or recent procedures. Prompt assessment and intervention are crucial to prevent shock and organ damage.
D. Medicate the client for pain: Pain management is important, but administering analgesics in the context of hypotension and tachycardia could worsen hemodynamic instability. The priority is identifying and treating the underlying cause before giving medications that may further lower blood pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D"]
Explanation
A. Up in chair at bedside: Early mobilization after CABG, such as sitting in a chair at the bedside, promotes circulation, prevents venous stasis, reduces the risk of pulmonary complications, and supports overall recovery. At 6 hours post-op and 4 hours post-extubation, this level of activity is safe and appropriate under close monitoring.
B. Remove epicardial pacing wires: Epicardial pacing wires are removed 24–48 hours after surgery, depending on physician orders and patient stability. Removing them only a few hours post-op is unsafe and could lead to arrhythmias or bleeding, this is not appropriate at this stage.
C. Use incentive spirometer: Incentive spirometry is critical to prevent atelectasis and improve lung expansion following cardiac surgery. Encouraging the client to use the device frequently helps restore pulmonary function, especially after recent extubation.
D. Dangle at the bedside: Dangling (sitting at the edge of the bed with feet on the floor) is an early step in mobilization that helps the client regain balance, promote circulation, and reduce orthostatic hypotension before ambulating. It is appropriate at this stage of recovery.
E. Maintain NPO status: At 4 hours post-extubation, clients are generally allowed clear liquids if there is no nausea, swallowing difficulty, or risk of aspiration. Continuing NPO status unnecessarily could delay recovery and nutrition.
F. Ambulate to bathroom: Ambulation to the bathroom is typically not safe so soon after extubation and major cardiac surgery due to risk of hypotension, dizziness, or sternal instability. Mobility should begin with bedside sitting and dangling before progressing to walking.
Correct Answer is A
Explanation
A. Pericardial friction rub: Pericarditis is inflammation of the pericardial sac. The classic auscultatory finding is a high-pitched, scratchy pericardial friction rub heard best at the left lower sternal border. It is caused by the inflamed pericardial layers rubbing against each other and is a hallmark sign of pericarditis.
B. Mitral murmur: A mitral murmur is associated with mitral valve disorders such as mitral stenosis or mitral regurgitation, not inflammation of the pericardium.
C. Pleural friction rub: A pleural friction rub is heard with pleuritis and is related to lung and pleural inflammation. It is respiratory in origin and changes with breathing, unlike a pericardial friction rub.
D. S3 or S4: An S3 is commonly associated with heart failure, and an S4 is often linked to decreased ventricular compliance, such as in hypertension. These are not characteristic findings of acute pericarditis.
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