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?

Atrial fibrillation

Asystole

Ventricular fibrillation

Atrial flutter

Answer and Explanation

The Correct Answer is B

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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Correct Answer is A

Explanation

A. Atrial flutter is characterized by a regular rhythm with rapid atrial contractions (flutter waves) that have a sawtooth appearance on the ECG tracing.
B. Ventricular tachycardia typically presents with a wide QRS complex and is often associated with hemodynamic instability.
C. Atrial fibrillation is characterized by irregularly irregular rhythm with no distinct P waves and irregular ventricular response.
D. Sinus tachycardia is characterized by a regular rhythm with a heart rate greater than 100 beats per minute originating from the sinus node.

A. Sanguineous B. Purulent C. Serous D. Serosanguineous

Correct Answer is B

Explanation

A. Sanguineous drainage is typically bright red and composed mainly of red blood cells. It is common immediately after surgery but does not typically indicate infection.
B. Purulent drainage is thick, yellow, or greenish in color and contains pus, indicating infection. It requires prompt assessment and intervention.
C. Serous drainage is clear, watery, and pale yellow in color. It is typically a normal finding in surgical wounds.
D. Serosanguineous drainage is pink to pale red and contains a mixture of blood and serum. It is common in the early stages of wound healing.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is reading a cardiac monitor of a patient and observes a regular rhythm, and the P waves have a sawtooth pattern. The nurse recognizes this as which arrhythmia?

Correct Answer is A

Explanation

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Correct Answer is B

Explanation

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