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

Rhythm: Irregularly irregular

P waves: No identifiable P waves

PR interval: Measurable

Heart rate: Atrial rate not measurable

QRS interval: <0.10 seconds

Answer and Explanation

Correct Answer : A,B,D

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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Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"B"}

Explanation

Bleeding: The client's platelet count has dropped from 160,000/mm³ to 100,000/mm³, which is below the normal range (150,000 to 400,000/mm³). Platelets are essential for blood clotting, and a low count increases the risk of bleeding. Additionally, the prolonged PT (13.5 seconds) and elevated INR (2.2) further indicate a tendency toward bleeding.

Infection: The client's WBC count remains elevated at 15,500/mm³, which can be indicative of ongoing infection or inflammation. Patients with acute leukemia often have dysfunctional white blood cells, which impairs their ability to fight infections effectively.

A. Atrial fibrillation B. Asystole C. Ventricular fibrillation D. Atrial flutter

Correct Answer is B

Explanation

A. Atrial fibrillation is characterized by rapid, irregular electrical impulses originating from the atria, resulting in a quivering or fibrillating motion of the atria rather than a coordinated contraction.
B. Asystole is the absence of any electrical activity on the cardiac monitor, resulting in a flat line. It indicates the absence of ventricular contraction and is considered a medical emergency requiring immediate intervention (CPR and advanced cardiac life support).
C. Ventricular fibrillation is characterized by chaotic, disorganized electrical activity in the ventricles, resulting in ineffective quivering of the ventricles and loss of cardiac output.
D. Atrial flutter is characterized by rapid but regular electrical impulses originating from the atria, resulting in a sawtooth pattern on the ECG tracing.

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

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Naxlex Comprehensive Predictor Exams

A nurse is reviewing the medical record for a client who has acute leukemia Exhibits Select words from the choices to fill in each blank in the following sentence The client is at risk for developing and

Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"B"}

Explanation

The nurse is caring for a patient whose cardiac monitor shows a total absence of electrical impulse as indicated by a flat line. The nurse does not detect a pulse or blood pressure. The nurse would document this as which of the following rhythms?

Correct Answer is B

Explanation

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