A patient recovering from an acute myocardial infarction has a heart rate of 30 beats per minute. Which area of the heart should the nurse consider as pacing this patient's heart rate?

a. Sinoatrial node
b. Ventricular rate
c. Aortic valve rate
d. Atrioventricular node


ANS: B
The ventricular rate is 20 to 40 bpm. A. The sinoatrial node is the primary pacemaker of the heart and normally fires at a rate of 60 to 100 beats per minute (bpm). D. The AV node has an inherent rate of 40 to 60 bpm. C. The aortic valve does not have a mechanism to provide heart pacing.

Nursing

You might also like to view...

A hospital's current quality improvement program has integrated the principles of the Institute for Healthcare Improvement (IHI) 5 Million Lives Campaign. How can the hospital best achieve the campaign goals of reducing preventable harm and death?

A) By adhering to EBP guidelines B) By reducing nurse-to-patient ratios and increasing accountability C) By having researchers from outside the facility evaluate care D) By involving patients and families in their care planning

Nursing

The nurse is confident that the client who takes glucosamine sulfate daily is conscien-tious of the safety issues involved when hearing the client state: Select all that apply

a. "I'm always careful to buy the same brand of glucosamine sulfate." b. "If glucosamine sulfate wasn't safe the drug store wouldn't sell it." c. "My pharmacist is so helpful when I have questions about the herbals I take." d. "The liquid form of glucosamine sulfate is what I consistently take." e. "I made sure my physician knew that I was allergic to strawberries."

Nursing

A hospital has just completed renovating one section of the hospital. Before the new section can be used, the following will need to be done:

1. Inspect for fire and life safety standards and regulations. 2. Contact the Centers for Disease Control and Prevention. 3. Inform the state board of nursing. 4. Contact the Joint Commission to schedule a survey.

Nursing

Which is the best location for the nurse to assess cyanosis for a dark-skinned patient with congestive heart failure?

1) Nail beds 2) Palms 3) Buccal mucosa 4) Conjunctiva

Nursing