The nursing is caring for a client in the Intensive Care Unit on a ventilator. Which intervention(s) should the nurse implement? (SELECT ALL THAT APPLY)

Monitor the client's pulse oximetry every shift

Assess the client's respiratory status at least every 1-2 hours

Ensure that a manual resuscitation bag is at the bedside

Check the ventilator settings every shift

Collaborate frequently with the respiratory therapist

Answer and Explanation

Correct Answer : B,C,D,E

A) Monitor the client's pulse oximetry every shift:
Monitoring pulse oximetry every shift is not sufficient when caring for a client on a ventilator. Pulse oximetry provides valuable information about oxygen saturation, but it should be checked more frequently, especially in a critically ill patient on a ventilator. Continuous monitoring may be required to ensure that oxygenation is maintained at optimal levels. The nurse should assess the pulse oximetry regularly and take immediate action if there is a significant change in the client’s oxygen saturation.

B) Assess the client's respiratory status at least every 1-2 hours:
It is essential to assess the client's respiratory status frequently when they are on a ventilator. Respiratory assessments should be performed at least every 1-2 hours to monitor for complications such as ventilator-associated pneumonia, changes in oxygenation, or the need for adjustments to the ventilator settings. Regular assessment is critical to detect early signs of deterioration and respond promptly.

C) Ensure that a manual resuscitation bag is at the bedside:
Having a manual resuscitation bag (e.g., Ambu bag) at the bedside is a critical intervention for clients on a ventilator. In case of ventilator malfunction, extubation, or respiratory distress, the nurse must have immediate access to a resuscitation bag to manually ventilate the patient. This is a lifesaving piece of equipment that should always be present and ready for use.

D) Check the ventilator settings every shift:
It is essential to check ventilator settings every shift to ensure that the ventilator is functioning correctly and providing the appropriate levels of support for the patient. This includes checking settings such as tidal volume, respiratory rate, pressure, and FiO2 (fraction of inspired oxygen) to ensure they are appropriate for the client's condition. Regular checks can help detect problems such as changes in settings or malfunctioning equipment.

E) Collaborate frequently with the respiratory therapist:
Frequent collaboration with the respiratory therapist is crucial when managing a client on a ventilator. Respiratory therapists are experts in ventilator management and can provide valuable insight into adjusting settings, interpreting ABGs, troubleshooting equipment issues, and optimizing respiratory care. Collaborative care helps ensure that the client is receiving the most appropriate interventions and adjustments for their respiratory status.

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Correct Answer is B

Explanation

A. Decrease in heart rate: While nitroglycerin can sometimes cause reflex tachycardia (an increase in heart rate) as a compensatory mechanism in response to a decrease in blood pressure, its primary effect is on reducing myocardial oxygen demand through vasodilation. Although heart rate may decrease in some situations due to improved perfusion or as a secondary response to pain relief, a decrease in heart rate is not the most reliable or immediate indicator of effectiveness in this context. The relief of chest pain is a more direct measure of the drug's impact.

B. Relief of chest pain: Nitroglycerin works by dilating blood vessels, which reduces myocardial oxygen demand and improves blood flow to the heart, particularly in cases of acute myocardial infarction (MI). The primary therapeutic goal is to relieve chest pain (angina) and reduce the workload of the heart. Monitoring for relief of chest pain is the most direct and important indicator of the medication's effectiveness. If the chest pain decreases or resolves, it suggests that the medication is helping to alleviate the ischemia caused by the MI.

C. Decrease in cardiac dysrhythmias: Nitroglycerin is not primarily used to treat dysrhythmias, although improved perfusion and reduced myocardial oxygen demand may indirectly reduce the occurrence of dysrhythmias in some cases. However, a decrease in dysrhythmias is not a primary goal of nitroglycerin therapy, and the nurse should not primarily monitor for this outcome. Any dysrhythmias should be managed with other specific interventions if needed.

D. Decrease in blood pressure: Nitroglycerin's vasodilatory effect does lead to a reduction in blood pressure, particularly in patients with high blood pressure or in the context of a myocardial infarction. However, excessive hypotension can be dangerous and may lead to inadequate perfusion of vital organs. The nurse must monitor blood pressure closely to avoid hypotension, but a decrease in blood pressure is not the main goal of therapy. The primary objective is to relieve the chest pain associated with the MI. If blood pressure drops too low, it may indicate a need to adjust the dose or discontinue the nitroglycerin.

A. pH 7.33, PaCO2 35 mmHg, Pa02 78 mmHg, HCO3 20 mEq/L. B. heart rate 80 and respiratory rate 20. C. 02 saturation of at least 94%. D. sodium 135 mg/di. and potassium 4.8 mg/dL.

Correct Answer is C

Explanation

A. pH 7.33, PaCO2 35 mmHg, PaO2 78 mmHg, HCO3 20 mEq/L:
This answer choice indicates respiratory acidosis (pH < 7.35, low bicarbonate), but the goal in acute respiratory failure is not just to adjust the pH alone; the more immediate concern is correcting oxygenation. The PaO2 of 78 mmHg is below the normal range (80-100 mmHg), indicating hypoxemia that should be corrected first. The goal should be to improve PaO2 to acceptable levels (≥80 mmHg) and achieve adequate oxygen saturation. This ABG result does not fully align with the immediate goals of treatment.

B. Heart rate 80 and respiratory rate 20:
While normal vital signs like heart rate and respiratory rate are important, they are not the primary goal of treatment in acute respiratory failure. The focus during ventilator support is to improve oxygenation and ventilation rather than simply achieving normal heart and respiratory rates. In acute respiratory failure, abnormal heart and respiratory rates are often a result of hypoxia or hypercapnia (high CO2), so normalizing oxygenation and carbon dioxide levels is more critical initially.

C. O2 saturation of at least 94%:
The primary goal in acute respiratory failure is to maintain adequate oxygenation. In this context, the goal of ventilator support is to correct hypoxemia (low blood oxygen levels) and restore normal oxygen saturation. A target oxygen saturation of at least 94% is commonly considered appropriate for most patients in acute respiratory failure to ensure that tissues are receiving enough oxygen to prevent organ damage. This is a key aspect of managing respiratory failure and ensuring adequate tissue perfusion. Oxygen saturation below 90% is typically considered to indicate a severe level of hypoxemia, requiring prompt intervention.

D. Sodium 135 mg/dL and potassium 4.8 mg/dL:
While electrolyte levels are important to monitor in any critically ill patient, the main goal of treatment in acute respiratory failure is improving oxygenation and ventilation rather than focusing specifically on normalizing sodium or potassium levels. Correcting imbalances in electrolytes can be part of overall care, but it is not the primary objective in this situation. Oxygenation (as measured by PaO2 and O2 saturation) takes priority over correcting individual electrolytes.

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Arterial Blood Gases
pH	7.35-7.45
PaCO2	35-45mmHg
PaO2	80-100mmHg
HCO3-	22-26 mEq/L
O2 Saturation	>95%
Chemistry
BUN	8-21mg/dl
Creatinine	0.5-1.2mg/dl
Na	135-145 mEq/L
K	3.5-5.3 mEq/L
Cl	97-107 mEq/L
CO2	22-26 mEq/L
Ca	8.2-10.2 mg/dl
Glucose	65-99 mg/dl
Mg	1.7-2.2 mg/dl
PO4	2.5-4.5 mg/dl

The nursing is caring for a client in the Intensive Care Unit on a ventilator. Which intervention(s) should the nurse implement? (SELECT ALL THAT APPLY)

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

Correct Answer is C

Explanation

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