The nurse is reviewing a patient's electrocardiogram (ECG) tracing. Which of the following are characteristics of normal sinus rhythm (NSR?

QRS interval less than or equal to 0.10 seconds

Heart rate 50-100 bpm

P waves are rounded and inverted, and follow each QRS complex

PR interval 0.34 to 0.43 seconds

Answer and Explanation

The Correct Answer is B

A.   The QRS interval may vary but is typically less than 0.12 seconds in normal sinus rhythm.
B.   Normal sinus rhythm typically has a heart rate between 50 and 100 beats per minute.
C.   In normal sinus rhythm, P waves are typically upright and precede each QRS complex.
D.   The PR interval may vary but is typically between 0.12 and 0.20 seconds in normal sinus rhythm.

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Correct Answer is A

Explanation

A. Monitoring fluid intake and output provides direct measurement of fluid balance in the body.
B. Lung sounds may indicate fluid accumulation in the lungs but are not a direct measure of overall fluid balance.
C. Edema may indicate fluid retention but does not provide comprehensive information about fluid balance throughout the body.
D. While weight can be an indicator of fluid balance, it is influenced by factors other than fluid status, such as muscle mass and fat.

A. auscultate the right brachial pulse B. palpate for thrill over the right arm fistula C. measure the blood pressure in the right arm D. auscultate the right radial pulse E. auscultate bruit over the right arm fistula F. palpate the right radial pulse

Correct Answer is ["B","E"]

Explanation

A. Auscultating the brachial pulse is not typically used to assess the patency of an arteriovenous fistula.
B. A thrill is a vibration felt over an arteriovenous fistula or graft and indicates proper blood flow. Palpation for thrill is a standard method to assess fistula patency.
C. Blood pressure measurement does not directly assess the patency of an arteriovenous fistula.
D. Auscultating the radial pulse is not typically used to assess the patency of an arteriovenous fistula.
E. A bruit is a swooshing sound heard over an arteriovenous fistula or graft and indicates turbulent blood flow. Auscultating for bruit is another method to assess fistula patency.
F. Palpate the right radial pulse: Palpating the radial pulse is not typically used to assess the patency of an arteriovenous fistula.

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The nurse is reviewing a patient's electrocardiogram (ECG) tracing. Which of the following are characteristics of normal sinus rhythm (NSR?

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Naxlex Comprehensive Predictor Exams

Which of the following is the best indicator of fluid balance in the body?

Correct Answer is A

Explanation

The nurse is checking the patency of a new right arm arteriovenous fistula. What action does the nurse use to do this? Select all that apply

Correct Answer is ["B","E"]

Explanation

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