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The nurse is assessing a patient who has mitral valve regurgitation. Which of the following findings should be communicated to the health care provider immediately?
- A. 4+ peripheral edema in both legs
- B. Crackles audible to the lung apices
- C. A palpable thrill felt over the left anterior chest
- D. A loud systolic murmur all across the precordium
Correct Answer: B
Rationale: Crackles that are audible throughout the lungs indicate that the patient is experiencing severe left ventricular failure with pulmonary congestion and needs immediate interventions such as diuretics. A systolic murmur and palpable thrill would be expected in a patient with mitral regurgitation. Although 4+ peripheral edema indicates a need for a change in therapy, it does not need to be addressed urgently.
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Which of the following techniques should the nurse use to assess the patient with pericarditis for the presence of a pericardial friction rub?
- A. Auscultate with the stethoscope diaphragm at the lower left sternal border.
- B. Listen for a rumbling, low-pitched, systolic sound over the left anterior chest.
- C. Feel the precordial area with the palm of the hand to detect vibration with cardiac contraction.
- D. Ask the patient to stop breathing during auscultation to distinguish the sound from a pleural friction rub.
Correct Answer: A
Rationale: Pericardial friction rubs are heard best with the diaphragm at the lower left sternal border. Because dyspnea is one clinical manifestation of pericarditis, the nurse should time the friction rub with the pulse rather than ask the patient to stop breathing during auscultation. Friction rubs are not typically low pitched or rumbling and are not confined to systole. Rubs are not assessed by palpation.
The nurse is planning care for a patient hospitalized with a streptococcal infective endocarditis (IE). Which of the following interventions should the nurse anticipate?
- A. Monitor laboratories for streptococcal antibodies.
- B. Arrange for insertion of a long-term IV catheter.
- C. Encourage the patient to get regular aerobic exercise.
- D. Teach the importance of completing all oral antibiotics.
Correct Answer: B
Rationale: Treatment for IE involves 4-6 weeks of IV antibiotic therapy in order to eradicate the bacteria, which will require a long-term IV catheter such as a peripherally inserted central catheter (PICC) line. Rest periods and limiting physical activity to a moderate level are recommended during the treatment for IE. Oral antibiotics are not effective in eradicating the infective bacteria that cause IE. Blood cultures, rather than antibody levels, are used to monitor the effectiveness of antibiotic therapy.
Which of the following assessment information obtained by the nurse for a patient with aortic stenosis is most important to report to the health care provider?
- A. The patient complains of chest pain associated with ambulation.
- B. A loud systolic murmur is audible along the right sternal border.
- C. A thrill is palpable at the 2nd intercostal space, right sternal border.
- D. The point of maximum impulse (PMI) is at the left midclavicular line.
Correct Answer: A
Rationale: Chest pain occurring with aortic stenosis is caused by cardiac ischemia, and reporting this information would be a priority. A systolic murmur and thrill are expected in a patient with aortic stenosis. A PMI at the left midclavicular line is normal.
Cardiac tamponade is suspected in a patient who has acute pericarditis. Which of the following actions should the nurse implement to assess for the presence of pulsus paradoxus?
- A. Check the electrocardiogram (ECG) for variations in rate in relation to inspiration and expiration
- B. Note when Korotkoff sounds are audible during both inspiration and expiration.
- C. Auscultate for a pericardial friction rub that increases in volume during inspiration.
- D. Subtract the diastolic blood pressure (DBP) from the systolic blood pressure (SBP).
Correct Answer: B
Rationale: Pulsus paradoxus exists when there is a gap of greater than 10 mm Hg between when Korotkoff sounds can be heard during only expiration and when they can be heard throughout the respiratory cycle. The other methods described would not be useful in determining the presence of pulsus paradoxus.
The nurse is caring for a patient who has had recent cardiac surgery and develops pericarditis, with symptoms of chest pain at a level 6 (0-10 scale) with deep breathing. Which of the following prescribed PRN medications should the nurse administer?
- A. Fentanyl 2 mg IV
- B. Morphine sulphate 6 mg IV
- C. Ibuprofen 800 mg PO
- D. Acetaminophen 650 mg PO
Correct Answer: C
Rationale: The pain associated with pericarditis is caused by inflammation, so nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen are most effective. Opioid analgesics are usually not used for the pain associated with pericarditis.