During the 48 hours after a myocardial infarction (MI), a nurse should assign the highest priority to monitoring the patient for what complication?
Dysrhythmias
Anxiety and fear
Metabolic acidosis
Medication side effects
The Correct Answer is A
During the 48 hours after a myocardial infarction (MI), the highest priority for monitoring the patient is for dysrhythmias. After an MI, the heart's electrical system can be disrupted, leading to various types of abnormal heart rhythms (dysrhythmias). Dysrhythmias can be life-threatening and require prompt recognition and intervention.
Other options:
B) Anxiety and fear: Anxiety and fear are common emotional responses after an MI, but they are not the highest priority for monitoring during the immediate post-MI period. Emotional support and counseling are essential, but they do not require continuous monitoring.
C) Metabolic acidosis: Metabolic acidosis is not a common complication of an acute MI. It may occur in certain situations, such as when there is inadequate perfusion to tissues, but it is not the highest priority during the immediate post-MI period.
D) Medication side effects: Monitoring for medication side effects is important but is not the highest priority during the immediate post-MI period. Many patients will receive medications to manage pain, reduce clot formation, and stabilize their heart function. The nurse should monitor for side effects but not as a higher priority compared to dysrhythmias.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The patient is apneic (not breathing) and has no palpable pulses, indicating a cardiac arrest or severe cardiovascular compromise. In this situation, the most appropriate action for the nurse to take next is to start cardiopulmonary resuscitation (CPR) immediately.
CPR is a life-saving procedure that combines chest compressions and rescue breaths to circulate oxygenated blood to vital organs when the heart is not effectively pumping. In the case of cardiac arrest, early initiation of CPR is critical to improve the chances of survival and minimize potential brain damage.
The heart monitor shows sinus tachycardia, rate 132, which suggests that the electrical impulses are reaching the heart, but the heart is not effectively pumping blood due to the lack of a palpable pulse. This condition requires immediate intervention with CPR rather than other treatments such as synchronized cardioversion (option A) or administering atropine (option D).
While applying supplemental oxygen via a non-rebreather mask (option C) is generally important in many emergency situations, it is not the immediate priority when a patient is apneic and has no palpable pulses. In such cases, CPR takes precedence to restore circulation and maintain oxygen delivery to the body's vital organs.
Correct Answer is D
Explanation
ST-segment elevation on an electrocardiogram (ECG) is a critical finding and should be reported rapidly to the health care provider. It is a hallmark ECG change seen in myocardial infarction (heart attack). When there is myocardial ischemia or injury (such as in a heart attack), the ST segment
elevates above the baseline in the affected leads of the ECG. This elevation indicates that there is an ongoing loss of oxygen and blood supply to a part of the heart muscle.
ST-segment elevation is a medical emergency because it suggests acute coronary syndrome (ACS), which can rapidly progress to a myocardial infarction if not promptly treated. Immediate intervention is needed to restore blood flow to the affected coronary artery and prevent further damage to the heart muscle.
The other options listed (A) First-degree atrioventricular block, (B) Inverted P wave, and (C) Sinus tachycardia, while significant in some situations, do not have the same urgency as ST-segment elevation in the context of chest pain. They may require medical attention, but they do not typically indicate an acute myocardial infarction or an immediate life-threatening condition. ST-segment elevation is a critical finding that requires rapid intervention to preserve heart muscle function and prevent complications.
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