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How should the nurse interpret the rhythm shown on the electrocardiogram strip shown in the diagram?

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A.

asystole

B.

ventricular fibrillation

C.

sinus tachycardia

D.

sinus bradycardia

Answer and Explanation

The Correct Answer is B

A. Asystole: Asystole would show a flat line with no electrical activity, which is not seen here.

 

B. Ventricular fibrillation: Ventricular fibrillation is characterized by chaotic, irregular waveforms without distinct P waves, QRS complexes, or T waves. The ECG strip shows this disorganized, erratic electrical activity consistent with ventricular fibrillation.

 

C. Sinus tachycardia: Sinus tachycardia would display a regular rhythm with identifiable P waves, QRS complexes, and T waves at a faster rate. This is not present in the ECG strip.

 

D. Sinus bradycardia: Sinus bradycardia would show a slower rate but with an organized rhythm and distinct P, QRS, and T waves. This is not indicated in the strip.


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Correct Answer is A

Explanation

A. Presbyopia is a common age-related condition that affects the ability to see close objects clearly, which aligns with the client's difficulty in reading, sewing, and seeing faces up close.

B. While some vision changes are expected with aging, the specific difficulties the client is experiencing suggest a more definitive condition rather than "normal" vision changes.

C. While cataracts can cause vision issues, the specific symptoms described (trouble reading and seeing objects up close) are more characteristic of presbyopia.

D. Glaucoma typically involves peripheral vision loss rather than difficulty with near vision, so this option is not supported by the findings.

Correct Answer is A

Explanation

A. Facial drooping is a common symptom following a stroke, particularly if it affects areas of the brain responsible for facial movement.

B. Frequent diarrhea is not typically associated with stroke and may be related to other factors.

C. A steady gait is unlikely following a stroke, especially if the stroke has affected motor control or balance.

D. Vocal clarity can be affected after a stroke, but facial drooping is a more immediate and recognizable alteration in neurologic function.

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