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 blood was infused too quickly and overwhelmed the client's circulatory system:
While infusing blood too quickly can lead to circulatory overload and related complications like heart failure or pulmonary edema, it is not the cause of an acute hemolytic transfusion reaction. Acute hemolytic reactions occur due to immune responses against incompatible donor blood.
B. The donor blood was incompatible with that of the client:
This is the correct answer. An acute hemolytic transfusion reaction happens when there is an incompatibility between the donor's blood and the recipient's blood. This can occur due to mismatched ABO blood types or Rh factor, leading to the recipient's immune system attacking and destroying the transfused red blood cells.
C. The client had a sensitivity reaction to a plasma protein in the blood:
Sensitivity reactions to plasma proteins can occur, but they typically result in different types of transfusion reactions, such as allergic reactions or febrile non-hemolytic reactions. These reactions are caused by antibodies to specific plasma proteins and are not the cause of acute hemolytic transfusion reactions.
D. Antibodies to donor leukocytes remained in the blood:
This option refers to febrile non-hemolytic transfusion reactions, which occur due to antibodies against donor leukocytes. However, this type of reaction is distinct from acute hemolytic reactions, which are primarily caused by ABO or Rh incompatibility.
Correct Answer is ["A","B","C"]
Explanation
A. Relieve client symptoms - Heart failure can cause symptoms like shortness of breath, fatigue, swelling (edema), and difficulty exercising. Relieving these symptoms is an important goal to improve the client's quality of life and overall well-being.
B. Extend survival - Heart failure is a chronic condition that can significantly impact life expectancy. One of the goals of care is to optimize management to extend the client's survival and reduce the risk of complications.
C. Improve functional status - Heart failure can limit a person's ability to perform daily activities and exercise. Improving functional status involves strategies such as medication management, lifestyle modifications, and cardiac rehabilitation to enhance the client's ability to engage in daily activities and maintain independence.
D. Prevent endocarditis - Endocarditis is an infection of the inner lining of the heart chambers and heart valves. While preventing infections is important for overall health, preventing endocarditis may not be directly related to the primary goals of heart failure management. However, maintaining good hygiene and avoiding infections can contribute to the overall well-being of the client.
E. Limit physical activity - This statement is incorrect in the context of heart failure management. Encouraging appropriate levels of physical activity is often part of heart failure care. Physical activity, when tailored to the individual's abilities and guided by healthcare professionals, can improve cardiovascular function, strengthen muscles, and enhance overall health outcomes in clients with heart failure.
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