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

auscultate the right brachial pulse

palpate for thrill over the right arm fistula

measure the blood pressure in the right arm

auscultate the right radial pulse

auscultate bruit over the right arm fistula

palpate the right radial pulse

Answer and Explanation

Correct Answer : B,E

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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Correct Answer is A

Explanation

A. The P wave on an ECG represents atrial depolarization, which occurs as the electrical impulse originates in the sinoatrial (SA) node and spreads through the atria, initiating atrial contraction.
B. Atrial repolarization typically occurs during the QRS complex and is not represented by the P wave. Atrial repolarization is masked by the larger QRS complex.
C. Ventricular depolarization is represented by the QRS complex on an ECG, as the electrical impulse spreads through the ventricles, leading to ventricular contraction.
D. Ventricular repolarization typically occurs during the T wave and is not represented by the P wave. Ventricular repolarization involves the recovery of ventricular muscle cells after contraction.

A. Rhythm: Irregularly irregular B. P waves: No identifiable P waves C. PR interval: Measurable D. Heart rate: Atrial rate not measurable E. QRS interval: <0.10 seconds

Correct Answer is ["A","B","D"]

Explanation

A. Irregularly irregular: Atrial fibrillation is characterized by an irregularly irregular rhythm.
B. No identifiable P waves: P waves are typically absent in atrial fibrillation or may be difficult to identify.
C. PR interval is not typically measured in atrial fibrillation as it is not relevant to the rhythm.
D. Atrial rate not measurable: The atrial rate in atrial fibrillation is not measurable due to the rapid and irregular nature of the rhythm.
E. QRS interval is typically normal in atrial fibrillation and does not exceed 0.10 seconds.

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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

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Naxlex Comprehensive Predictor Exams

After reviewing an electrocardiogram, the nurse determines that an electrical impulse originated in a patient's sinoatrial (SA) node with a P wave. What does this represent?

Correct Answer is A

Explanation

Which of the following are rules for atrial fibrillation? Select all that apply

Correct Answer is ["A","B","D"]

Explanation

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