A nurse is suctioning the endotracheal tube of a client who is on a ventilator. The client's heart rate increases from 86/min to 110/min and becomes irregular. Which of the following actions should the nurse take?

Obtain a cardiology consult.

Perform pre-oxygenation prior to suctioning.

Suction the client less frequently.

Administer an antidysrhythmic medication.

Answer and Explanation

The Correct Answer is B

B. This is advised to prevent hypoxemia, which can manifest as tachycardia and arrhythmia, conditions indicated by an increased and irregular heart rate. Pre-oxygenation helps maintain adequate oxygen levels in the blood, which can be compromised during the suctioning process.

A. Obtaining a cardiology consult might be necessary if the client's heart rate increases and becomes irregular. However, it's not the immediate action the nurse should take. This option is more appropriate for addressing the underlying cause of the client's dysrhythmia rather than the immediate management during suctioning.

C. Suctioning the client less frequently might be appropriate if the client's response to suctioning is causing distress or physiological changes like increased heart rate. However, if suctioning is necessary due to secretions in the airway, simply reducing the frequency might not be sufficient to address the client's cardiovascular response.

D. Administering an antidysrhythmic medication should be considered if the client's heart rate increases and becomes irregular during or after suctioning, especially if the dysrhythmia persists or worsens.

However, this should be done under the guidance of a healthcare provider and after assessing the client's overall condition, including potential causes of the dysrhythmia.

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Correct Answer is A

Explanation

A. Elective cardioversion involves the synchronized delivery of a therapeutic electrical shock to the heart to restore normal sinus rhythm in a patient with a tachyarrhythmia, such as atrial fibrillation or atrial flutter. However, ventricular tachycardia (VT) is a life-threatening arrhythmia characterized by a rapid heart rate originating from the ventricles, and it requires immediate intervention due to the risk of deteriorating into ventricular fibrillation (VF) and cardiac arrest. Therefore, elective cardioversion is not appropriate for treating VT.

B. Defibrillation involves the unsynchronized delivery of a high-energy electrical shock to the heart to terminate life-threatening arrhythmias, such as ventricular fibrillation (VF) or pulseless ventricular tachycardia (VT). In the case of a conscious patient with pulse-sustaining ventricular tachycardia, immediate defibrillation may not be necessary. However, if the patient deteriorates into pulseless VT or VF, prompt defibrillation is required to restore normal cardiac rhythm and circulation.

C. Radiofrequency catheter ablation is a procedure performed in a cardiac catheterization lab to treat certain cardiac arrhythmias by delivering radiofrequency energy to the specific area of the heart responsible for the abnormal rhythm. While radiofrequency catheter ablation may be considered for certain types of sustained ventricular tachycardia that are refractory to medical therapy or deemed to be originating from a specific site in the heart, it is not the immediate intervention for hemodynamically unstable ventricular tachycardia.

D. CPR is an emergency procedure performed on individuals experiencing cardiac arrest or a life- threatening medical emergency. In the case of ventricular tachycardia (VT) with a pulse, the patient is still perfusing, and CPR is not indicated. However, if the patient deteriorates into pulseless VT or ventricular fibrillation (VF), CPR may be initiated along with immediate defibrillation.

A. Hypokalemia B. Heart rate 160/min C. Mottled skin D. Blood pressure 115/68 mmHg

Correct Answer is B

Explanation

B. Tachycardia is a compensatory mechanism aimed at increasing cardiac output and maintaining tissue perfusion. In response to decreased perfusion, the body increases heart rate to improve circulation and oxygen delivery to tissues.
A. Hypokalemia, or low potassium levels, is not typically associated with the compensatory stage of shock. Instead, electrolyte imbalances may develop later in the progression of shock due to tissue hypoperfusion and metabolic disturbances.
C. Mottled skin, characterized by patchy discoloration due to uneven blood flow, is more commonly seen in the progressive or irreversible stages of shock. It indicates significant tissue hypoperfusion and impaired microcirculation, rather than the compensatory stage
D. This blood pressure reading is within the normal range and may be maintained during the compensatory stage of shock. Initially, blood pressure may be maintained or only slightly decreased due to compensatory mechanisms such as vasoconstriction. However, blood pressure can decrease further as shock progresses beyond the compensatory stage.

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A nurse is suctioning the endotracheal tube of a client who is on a ventilator. The client's heart rate increases from 86/min to 110/min and becomes irregular. Which of the following actions should the nurse take?

Nursing Test Bank

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