Which pulse rate finding in a client taking a drug that stimulates beta1 receptors requires immediate action by the nurse?

a. 50 beats/min
b. 95 beats/min
c. 85 beats/min
d. 100 beats/min


A
Stimulation of beta1 receptor sites in the heart has positive chronotropic and inotropic actions. The nurse expects an increase in heart rate and increased cardiac output. The client with a heart rate of 50 beats/min would be cause for concern because this would indicate that the client was not responding to the medication. The other heart rates are within normal limits but on the higher end and would be considered a therapeutic response to the medication.

Nursing

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