Author Question: The nurse hears a loud murmur when listening to the patient's heart. Which diagnostic test will best ... (Read 58 times)

ishan · **on:** Jul 23, 2018

The nurse hears a loud murmur when listening to the patient's heart. Which diagnostic test will best display the condition of the valves and structures within the patient's heart that could be causing the murmur?

a. Chest x-ray
b. Cardiac catheterization
c. Echocardiogram
d. Electrocardiogram

Question 2

The home care nurse is caring for a patient who has severe COPD and home oxygen therapy. The patient tells the nurse that she feels much better after increasing the oxygen flowmeter from 2 L to 5 L/min.

The patient's pulse oximetry is 98. What is the priority action of the nurse?
a.
Reduce the oxygen flow rate until the patient's pulse oximetry value is 90 to 92.
b.
Inform the patient's physician and obtain an order for oxygen at 5 L/min.
c.
Document the intervention and findings in the patient's medical record.
d.
Listen to the patient's lung fields and reinforce pursed-lip breathing techniques.

chloejackso · **Reply #1 on:** Jul 23, 2018

Answer to Question 1

ANS: C
Echocardiograms allow for ultrasound visualization of the structures of the heart along with function of the heart valves and cardiac musculature.

Answer to Question 2

ANS: A
The COPD patient should have a pulse oximetry value of approximately 90 to 92 to optimize oxygenation of tissues. High-flow oxygen may lead to respiratory suppression caused by loss of the patient's drive to breathe, so the oxygen flow rate should be kept at 2 L/min whenever possible. The nurse should reduce the oxygen flow rate until the patient's pulse oximetry is 90 to 92 and educate the patient about oxygen therapy for COPD.