The nurse is caring for a client who has been diagnosed with migraine headaches that occur every 2–3 days and placed on preventive therapy with the beta blocker propranolol (Inderal). Which data indicates the medication is effective?
1. The client supplemented Inderal with sumatriptan (Imitrex) four times.
2. The apical pulse is 78 beats per minute for this client.
3. The client had only one headache in the past week.
4. The client has developed orthostatic hypotension.
Correct Answer: 3
Rationale 1: This would mean the client had four migraines during the week, which would be an increase in migraines for the client.
Rationale 2: This would not indicate an improvement in migraines.
Rationale 3: The client's having only one headache in the past week would show an improvement in the frequency of migraines.
Rationale 4: This would be an adverse effect of the Inderal.
Global Rationale: The client's having only one headache in the past week would show an improvement in the frequency of migraines. This would mean the client had four migraines during the week, which would be an increase in migraines for the client. This would not indicate an improvement in migraines. This would be an adverse effect of the Inderal.
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