The nurse is to begin a nitroglycerin infusion for a client diagnosed with an anterior wall myocardial infarction. Which assessment finding should the nurse report to the provider immediately?
Serum potassium of 5.2 mEq/L (normal 3.5 mEq/L-5.3 mEq/L.)
T wave depression on electrocardiogram
Heart rate of 90 beats per minute
Blood pressure of 90/50
The Correct Answer is D
A. Serum potassium of 5.2 mEq/L: A potassium level of 5.2 mEq/L is slightly elevated but is still within a potentially acceptable range (normal is 3.5-5.3 mEq/L). While elevated potassium can be a concern, particularly in the context of an MI or with certain medications (like potassium-sparing diuretics), this level is not critically high. The nurse should monitor the potassium levels, but this is not an urgent finding requiring immediate reporting unless it increases further or is accompanied by significant symptoms (such as arrhythmias).
B. T wave depression on electrocardiogram (ECG): T wave depression can be a sign of ischemia or injury, which is common in the setting of an acute myocardial infarction. However, T wave changes are expected in this context and do not indicate an immediate emergency. The nurse should continue to monitor the ECG for any progression or worsening of ischemic changes but should prioritize concerns such as hypotension or worsening clinical status over this finding.
C. Heart rate of 90 beats per minute: A heart rate of 90 beats per minute is within normal limits (60-100 beats per minute), especially in the early stages of an MI. Nitroglycerin may cause a reflex tachycardia as a compensatory response to the decreased blood pressure, but a heart rate of 90 bpm is not an alarming finding. The nurse should continue to monitor the heart rate, but it is not the most pressing concern compared to hypotension. 4o mini
D. Blood pressure of 90/50: A blood pressure of 90/50 mmHg is significantly low and could indicate that the client is experiencing hypotension, which is a known side effect of nitroglycerin infusion. Nitroglycerin causes vasodilation, which can reduce blood pressure, especially in clients who are already at risk due to an acute myocardial infarction (MI). Low blood pressure can compromise perfusion to vital organs, including the heart, brain, and kidneys, and may lead to shock if not corrected promptly. This finding should be reported immediately to the healthcare provider, as it may require adjustment of the nitroglycerin dosage or discontinuation of the infusion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) pH 7.32, PaO2 88 mmHg, PaCO2 50 mmHg, HCO3 29 mEq/L, O2 sat 94%
This result suggests respiratory acidosis rather than respiratory alkalosis. In respiratory acidosis, the pH would be low (acidotic), PaCO2 would be elevated (since it reflects CO2 retention), and HCO3 would typically be elevated as a compensatory mechanism. This set of ABG values does not align with respiratory alkalosis, so it is not consistent with partially compensated respiratory alkalosis.
B) pH 7.35, PaO2 98 mmHg, PaCO2 55 mmHg, HCO3 28 mEq/L, O2 sat 99%
This set of values suggests respiratory acidosis, as indicated by a low pH (acidosis) and high PaCO2 (carbon dioxide retention). The HCO3 value is slightly elevated in compensation for respiratory acidosis, but this is not an example of partially compensated respiratory alkalosis, so it doesn't match the question's requirement.
C) pH 7.64, PaO2 94 mmHg, PaCO2 23 mmHg, HCO3 14 mEq/L, O2 sat 88%
This result is consistent with partially compensated respiratory alkalosis. In respiratory alkalosis, the pH would be elevated (alkalotic), PaCO2 would be low (indicating hyperventilation), and the kidneys would attempt to compensate by lowering bicarbonate (HCO3). In this case, the low PaCO2 (23 mmHg) and the low HCO3 (14 mEq/L) demonstrate partial compensation. The pH is also elevated at 7.64, which aligns with alkalosis. This is the correct answer for partially compensated respiratory alkalosis.
D) pH 7.50, PaO2 91 mmHg, PaCO2 52 mmHg, HCO3 30 mEq/L, O2 sat 96%
This result suggests respiratory acidosis with compensation. The elevated PaCO2 (52 mmHg) indicates CO2 retention, leading to acidosis, while the slightly elevated HCO3 (30 mEq/L) shows that the kidneys are compensating for the respiratory acidosis. The pH of 7.50 is slightly alkalotic, but it is more consistent with compensation for respiratory acidosis rather than respiratory alkalosis. Thus, this set of ABG values does not match the description of partially compensated respiratory alkalosis.
Correct Answer is B
Explanation
A) Apply 4L of nasal oxygen, administer a cough suppressant, and place client on bedrest:
This approach is inappropriate for a client with bacterial pneumonia. While oxygen therapy may be necessary for some clients, administering a cough suppressant in this scenario is counterproductive. Pneumonia often leads to the accumulation of secretions, and suppressing the cough would prevent the client from clearing mucus from their airways, potentially worsening the condition. Bedrest is generally indicated, but it should not be the sole intervention.
B) Increase fluid intake, administer antibiotic(s), and facilitate adequate coughing:
This is the most appropriate plan of care. Increasing fluid intake helps to thin the mucus, making it easier to clear from the airways, which is crucial in pneumonia. Antibiotics are necessary to treat the bacterial infection causing pneumonia. Facilitating adequate coughing helps the client expel secretions, reducing the risk of airway obstruction and improving oxygenation. Coarse rhonchi indicate the presence of mucus or secretions, which should be cleared with effective coughing.
C) Decrease activity, increase bronchodilator use, and encourage pursed lip breathing:
Decreasing activity is generally appropriate for a client with pneumonia to reduce fatigue, but increasing bronchodilator use is not typically indicated unless there is underlying bronchospasm, such as in asthma or COPD. Pursed lip breathing can help improve ventilation, but it is more beneficial for clients with obstructive airway diseases, not primarily for those with bacterial pneumonia. Therefore, this option does not address the immediate needs of the client.
D) Place in prone position, begin steroid therapy, and monitor glucose levels:
While prone positioning is helpful in some conditions like acute respiratory distress syndrome (ARDS), it is not routinely used for bacterial pneumonia unless the client has severe hypoxemia and requires advanced respiratory support. Steroid therapy is generally not indicated for bacterial pneumonia unless there is a specific inflammatory component (such as a superimposed condition like asthma or COPD). Monitoring glucose levels may be important in clients on steroid therapy, but this is not a primary concern in the treatment of bacterial pneumonia.
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