Explain the benefits of a dual-chamber pacemaker

What will be an ideal response?


The dual-chamber pacemaker stimulates the right atrium and right ventricle sequentially (stimulating first the atrium, then the ventricle), mimicking normal cardiac physiology and thus preserving the atrial contribution to ventricular filling (i.e., atrial kick).

Nursing

You might also like to view...

It is 1 week before a pregnant patient's due date. The nurse notes on the chart that the patient's pulse rate was 74–80 before pregnancy. Today, the patient's pulse rate at rest is 90. What action should the nurse should take?

1. Chart the findings. 2. Notify the physician of tachycardia. 3. Prepare the patient for an electrocardiogram (EKG). 4. Prepare the patient for transport to the hospital.

Nursing

The client reports diarrhea, fever, and abdominal cramps 24 hours following exposure to raw eggs while cooking. An efficient and effective homemade oral rehydration solution is to stir:

A) One level teaspoon of salt and eight level teaspoons of sugar into one quart or liter of clean drinking water B) Eight level teaspoons of salt and one level teaspoon of sugar into one quart or liter of clean drinking water C) One level teaspoon of salt and one level teaspoon of sugar into one quart or liter of clean drinking water D) Eight level teaspoons of salt and eight level teaspoons of sugar into one quart or liter of clean drinking water

Nursing

A nurse is working on a medical unit, and assigns a nurse's aide to take vital signs for several clients. The aide completes this task and documents them accordingly

One of the clients had a blood pressure reading of 180/110, and it wasn't until the end of the shift that the nurse was apprised of this value. The physician was notified, and orders were received for treatment, but not until much later in the shift. Which responsibility of delegation did the nurse fail to carry out? 1. Delegating to the appropriate staff. 2. Delegating the appropriate task. 3. Selecting the appropriate client. 4. Appropriately supervising care.

Nursing

The nurse sees an older woman with osteoarthritis (OA) and a low-grade fever. The patient tells the nurse that her pain is changing; it is worse at night and in her shoulder muscles. Which of the following does the nurse perform to prevent complications of this patient's condition?

a. Assess her joints for swelling and redness. b. Obtain blood specimens for blood cultures. c. Direct her to report temporal or scalp pain. d. Tell her to apply moist heat for 20 minutes.

Nursing