Cardiovascular Drugs and Medications Q 71
A nurse is interviewing a client who is about to receive metoprolol. Upon the history taking, the client is also taking insulin. Which of the following statements made by the nurse will correctly explain the possible interaction of these medications?
A. "This medication will maintain the blood sugar level on a normal range".
B. "This medication will have no effect on blood sugar level".
C. "This medication may mask some of the symptoms of hypoglycemia such as tremor, palpitation, and rapid heartbeat.
D. "This medication may mask some of the symptoms of hyperglycemia such as headache, increased thirst, and blurred vision".
Correct Answer: C. “This medication may mask some of the symptoms of hypoglycemia such as tremor, palpitation, and rapid heartbeat.
Beta-blockers such as metoprolol may increase the risk of hypoglycemia in patients receiving insulin. In addition, beta-blockers may mask some of the symptoms of hypoglycemia such as tremors, palpitation, and rapid heartbeat, making it more difficult to recognize an oncoming episode.
Options A and B: Metoprolol affects blood sugar level by inhibiting the release of insulin from the pancreas resulting in the increase of blood glucose concentrations.
Option D: Hyperglycemia will occur for those individuals who are non-insulin-dependent.