Which of the following is an appropriate nursing intervention for a patient with a pulmonary artery catheter?

Assist with ambulation

Administer a diuretic medication

Administer a vasopressor medication

Monitor central venous pressure

Answer and Explanation

The Correct Answer is D

D. Monitoring central venous pressure (CVP) is an appropriate nursing intervention for a patient with a pulmonary artery catheter. While the pulmonary artery catheter primarily provides information about pulmonary artery pressures and cardiac output, it can also be used to measure central venous pressure. Monitoring CVP can help assess the patient's fluid status, right ventricular function, and response to fluid resuscitation. This intervention is directly relevant to the presence of the pulmonary artery catheter and helps guide patient management.

A. Assist with ambulation: It's not typically appropriate to assist a patient with ambulation while they have a pulmonary artery catheter in place. This catheter is inserted into the pulmonary artery and is used to monitor various hemodynamic parameters such as pulmonary artery pressure, cardiac output, and mixed venous oxygen saturation. Ambulation could disrupt the catheter placement or lead to complications such as bleeding or dislodgement.

B. Administering a diuretic medication may not be directly related to the presence of a pulmonary artery catheter. The use of diuretics is typically based on the patient's clinical condition and the healthcare provider's assessment of their fluid status and renal function. While information obtained from the pulmonary artery catheter, such as pulmonary artery pressure and cardiac output, may inform the decision-making process regarding diuretic therapy, the catheter itself does not dictate the administration of diuretics.

C. Administering a vasopressor medication may be appropriate for a patient with a pulmonary artery catheter if they are experiencing hypotension or shock. However, the decision to administer vasopressors should be based on the patient's hemodynamic parameters as assessed through the pulmonary artery catheter monitoring, along with clinical judgment and consideration of the underlying cause of the hypotension.

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Correct Answer is A

Explanation

A Adequate fluid administration is essential before giving vasopressors to patients with hypovolemic shock. The patient’s low central venous pressure indicates a need for more volume replacement. The other patient data are not contraindications to norepinephrine administration.

B Low dose dopamine is not a contraindication to epinephrine administration.

C A sinus tachycardia is not a contraindication to epinephrine administration

D Lack of urine output is not a contraindication to epinephrine administration

A. Pulmonary artery wedge pressure (PAWP) is low. B. Systemic vascular resistance (SVR) is elevated. C. Mean arterial pressure (MAP) is 56 mm Hg D. Heart rate is slow at 58 beats/min.

Correct Answer is C

Explanation

C. Mean arterial pressure (MAP) reflects the average pressure in the arteries during one cardiac cycle and is an important indicator of tissue perfusion. A MAP of 56 mm Hg is below the normal range (typically >60 mm Hg) and may indicate inadequate tissue perfusion. While norepinephrine is commonly used to increase blood pressure and improve tissue perfusion in hypotensive patients, a MAP of 56 mm Hg suggests that the current infusion rate may not be sufficient to maintain adequate perfusion, and adjusting the infusion rate may be warranted.

A. Norepinephrine is a vasopressor medication primarily used to increase blood pressure in patients with hypotension or shock. A low pulmonary artery wedge pressure (PAWP) suggests decreased preload, which may indicate hypovolemia or inadequate fluid resuscitation. In this case, adjusting the norepinephrine infusion rate may not be necessary, but rather addressing the underlying cause of hypovolemia or inadequate preload.

B. Systemic vascular resistance (SVR) represents the resistance the heart must overcome to pump blood into the systemic circulation. An elevated SVR may suggest vasoconstriction, which could be a desired effect of norepinephrine infusion to increase blood pressure. Therefore, an elevated SVR may not necessarily indicate a need to adjust the norepinephrine infusion rate, as it may reflect the medication's intended action.

D. Norepinephrine primarily acts on alpha-adrenergic receptors to increase blood pressure by inducing vasoconstriction. While it may cause reflex bradycardia due to increased systemic vascular resistance, a heart rate of 58 beats/min may be within an acceptable range depending on the patient's clinical condition and baseline heart rate. Therefore, a slow heart rate alone may not necessarily indicate a need to adjust the norepinephrine infusion rate unless it is associated with signs of inadequate tissue perfusion or other concerning symptoms.

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Which of the following is an appropriate nursing intervention for a patient with a pulmonary artery catheter?

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