The nurse is reviewing an electrocardiogram rhythm strip. The P waves and QRS complexes are regular. The PR interval is 0.16 seconds, and the QRS complexes measure 0.06 seconds. The overall heart rate is 64 beats/minute. Which would be a correct interpretation based on these characteristics?
Sinus bradycardia
Sinus arrhythmia
Sinus tachycardia
Normal sinus rhythm
The Correct Answer is D
A. Sinus bradycardia: Sinus bradycardia is characterized by a regular rhythm with a heart rate less than 60 beats per minute. In this case, the heart rate is 64 beats per minute, which falls within the normal range, not consistent with sinus bradycardia.
B. Sinus arrhythmia: Sinus arrhythmia typically presents as a variation in the R-R interval with respiration, often seen as an irregularity in the heart rate. The provided characteristics describe a regular rhythm, so sinus arrhythmia is not the correct interpretation.
C. Sinus tachycardia: Sinus tachycardia is characterized by a regular rhythm with a heart rate greater than 100 beats per minute. The heart rate in this case is 64 beats per minute, which is not indicative of sinus tachycardia.
D. Normal sinus rhythm: Normal sinus rhythm refers to a regular rhythm with a heart rate between 60 and 100 beats per minute, P waves preceding each QRS complex, a normal PR interval (0.12 to 0.20 seconds), and normal QRS complex duration (less than 0.12 seconds). The provided characteristics, including regular P waves, regular QRS complexes, a PR interval of 0.16 seconds, and a heart rate of 64 beats per minute, align with a normal sinus rhythm interpretation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. The nurse stays with the client for 15 minutes after beginning the transfusion:
This action is appropriate as it ensures the nurse monitors the client closely for any immediate adverse reactions during the initial phase of the transfusion.
B. The nurse primes the blood tubing with lactated Ringer's solution:
This action is incorrect and potentially dangerous. Blood tubing should be primed with normal saline (0.9% sodium chloride) solution, not lactated Ringer's solution, to prevent potential adverse reactions or hemolysis of the blood products.
C. The nurse starts the infusion at a slow rate for the first 15 minutes:
This action is appropriate as it allows for the initial assessment of the client's tolerance to the transfusion and reduces the risk of adverse reactions.
D. The nurse witnesses the client sign the consent form for the blood transfusion:
This action is appropriate and ensures that the client has provided informed consent for the procedure.
Correct Answer is ["B","C","D","E","F"]
Explanation
A. Numbness in extremities: Numbness in extremities is not a common adverse effect of digoxin. The focus of digoxin monitoring is primarily on cardiovascular and gastrointestinal effects.
B. Fatigue: Fatigue is a common adverse effect of digoxin and can indicate toxicity or overdose. Clients taking digoxin should be monitored for increased fatigue or weakness.
C. Shortness of breath: Shortness of breath can occur as an adverse effect of digoxin toxicity, particularly if it leads to pulmonary congestion or heart failure exacerbation.
D. Anorexia: Anorexia, or loss of appetite, can be a gastrointestinal adverse effect of digoxin. Clients may experience nausea, vomiting, or anorexia, which can contribute to weight loss and electrolyte imbalances.
E. Chest pain: Chest pain can be a sign of digoxin toxicity, especially if it is associated with other symptoms such as shortness of breath or palpitations. It is essential to evaluate any chest pain in a client taking digoxin.
F. Confusion: Confusion or changes in mental status can occur with digoxin toxicity, particularly in older adults. Clients should be monitored for signs of confusion, delirium, or other cognitive changes.
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