After two minutes of cardiopulmonary resuscitation, the client's electrocardiogram (ECG) displays third degree heart block with no palpable pulse. Which intervention should the nurse implement?
Apply external pacing pads.
Obtain blood pressure reading.
Insert second peripheral IV.
Prepare epinephrine 1 mg IV.
The Correct Answer is D
Rationale:
A. Apply external pacing pads: Transcutaneous pacing is appropriate for symptomatic bradycardia with a pulse, not for pulseless electrical activity (PEA). In this case, the client has no pulse, so pacing will not generate effective cardiac output and should not be the first intervention.
B. Obtain blood pressure reading: During cardiac arrest, the client has no palpable pulse or measurable blood pressure. Attempting to obtain a blood pressure reading wastes valuable time that should be spent on life-saving interventions such as medication administration and high-quality CPR.
C. Insert second peripheral IV: While establishing additional IV access can be useful for administering fluids or medications, it is not the immediate priority during a pulseless event. The focus should remain on pharmacologic support and maintaining perfusion through CPR.
D. Prepare epinephrine 1 mg IV: Epinephrine is the first-line medication for PEA and asystole because it enhances myocardial contractility and increases coronary and cerebral perfusion during CPR. It should be administered as soon as possible, followed by continued chest compressions and rhythm reassessment every 2 minutes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Rationale:
A. Skeletal traction misalignment: While misalignment can cause discomfort and complications in spinal cord injury clients, it is not the most common or immediate trigger of autonomic dysreflexia. Assessment of alignment is secondary to more urgent causes of sympathetic overactivity.
B. Profuse forehead diaphoresis: Sweating is a symptom of autonomic dysreflexia but is a manifestation rather than a precipitating factor. Identifying the cause of the dysreflexia takes priority over treating symptoms alone.
C. An acutely distended bladder: Bladder distension is the most common precipitating factor for autonomic dysreflexia in clients with lesions at T6 or above. Immediate assessment and relief of urinary retention are critical to prevent severe hypertension, stroke, or other life-threatening complications.
D. A severe pounding headache: Headache is a classic symptom of autonomic dysreflexia, reflecting elevated blood pressure. While important to recognize, it indicates the presence of the condition rather than identifying the cause that must be addressed first.
Correct Answer is D
Explanation
Rationale:
A. Orient the client to her surroundings: While orientation is helpful for confusion, the client’s restlessness and confusion could indicate increasing intracranial pressure or cerebral bleeding, which require immediate physical assessment rather than reassurance.
B. Allow husband to stay at bedside: Allowing the husband to remain can provide emotional support, but this is not the priority when assessing for potentially life-threatening neurological changes. Emotional comfort is secondary to detecting and managing complications of head trauma.
C. Implement seizure precautions: Seizure precautions are appropriate for clients with head injuries but should follow a focused neurological assessment. Detecting cerebrospinal fluid (CSF) leakage or signs of skull fracture takes precedence because it indicates a severe brain injury requiring urgent intervention.
D. Assess for drainage from ears or nose: Clear or bloody drainage may indicate CSF leakage due to a basilar skull fracture. Identifying this finding early is critical to prevent infection, monitor for increased intracranial pressure, and guide emergent management, making this the most important immediate nursing action.
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