A nurse is assessing a client who has a complete heart block and is receiving transcutaneous pacing. Which of the following findings indicates to the nurse that the treatment is effective?
Heart rate greater than 60/min
Pedal pulses 2+
Pacer spikes after the QRS complex
Distended jugular veins
The Correct Answer is A
- A: A heart rate greater than 60/min indicates that the transcutaneous pacing is effectively maintaining a heart rate within a normal range, which is crucial for adequate cardiac output and systemic perfusion.
- B: While 2+ pedal pulses indicate good peripheral perfusion, they do not directly reflect the effectiveness of transcutaneous pacing in treating complete heart block.
- C: Pacer spikes should appear before the QRS complex to show that the pacing stimulus is being delivered appropriately. Spikes after the QRS complex suggest that the pacing is not capturing the heart effectively.
- D: Distended jugular veins would be more indicative of heart failure or fluid overload and do not directly relate to the effectiveness of pacing therapy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Constipation can occur as a side effect of TPN due to decreased bowel motility, but it is not typically considered a serious complication.
B. Respiratory depression can occur as a complication of TPN, particularly if the solution contains high concentrations of dextrose or if the client has underlying respiratory issues.
C. Hypotension can occur as a complication of TPN if the solution is administered too rapidly, leading to fluid overload, but it is less common than respiratory depression.
D. Electrolyte imbalance, particularly hyperglycemia and hypertriglyceridemia, is a common complication of TPN, but it is less likely to cause immediate respiratory depression compared to other complications such as fluid overload.
Correct Answer is A
Explanation
A.
A. Discarding opened cans of formula after 24 hours helps prevent bacterial contamination and growth, which can contribute to diarrhea in clients receiving enteral feedings.
B. Extension tubing should be replaced according to institutional policy and manufacturer recommendations, typically every 24 to 48 hours, but it is not directly related to diarrhea management.
C. Irrigating the tubing with warm water is not a standard practice for managing diarrhea in clients receiving enteral feedings and may disrupt the client's fluid and electrolyte balance.
D. Increasing the infusion rate of enteral feedings is not indicated for managing diarrhea and may exacerbate the problem by overwhelming the client's gastrointestinal tract. The rate of enteral feeding should be adjusted based on the client's nutritional needs and tolerance, as determined by the healthcare provider.
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