A student is caring for clients in the preoperative area. The nurse contacts the surgeon about a client whose heart rate is 120 beats/min. After consulting with the surgeon, the nurse administers a beta blocker to the client. The student asks why this was
a. "A rapid heart rate requires more effort by the heart."
b. "Anesthesia has bad effects if the client is tachycardic."
c. "The client may have an undiagnosed heart condition."
d. "When the heart rate goes up, the blood pressure does too."
ANS: A
Tachycardia increases the workload of the heart and requires more oxygen delivery to the myocardial tissues. This added strain is not needed on top of the physical and emotional stress of surgery. The other statements are not accurate.
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