A nurse is performing an ECG on a client who is experiencing chest pain.
Which of the following statements should the nurse make?

The test will be complete in 30 to 60 minutes.

I will need to apply electrodes to your chest and extremities.

You might feel a slight tingling while the test is being done.

The radioactivity from the dye lasts only a few hours.

Answer and Explanation

The Correct Answer is B

Choice A rationale

ECG tests usually take 5 to 10 minutes to complete. The patient's chest pain necessitates a quick assessment, and prolonged testing could delay urgent care.

Choice B rationale

Electrodes applied to the chest and extremities detect the electrical activity of the heart, necessary for accurate ECG readings and diagnosing potential cardiac issues.

Choice C rationale

The ECG procedure does not typically cause tingling sensations. It involves passive measurement of electrical signals, making this statement inaccurate and potentially alarming to the patient.

Choice D rationale

ECG tests do not involve dye or radioactivity. This confusion may arise from nuclear stress tests, which are different procedures for evaluating heart function.

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Correct Answer is B

Explanation

Choice A rationale

The PR interval on an ECG represents the time from the onset of atrial depolarization to the onset of ventricular depolarization. It does not measure ventricular depolarization and repolarization.

Choice B rationale

The QT interval measures the total time taken for both ventricular depolarization and repolarization. Normal QT interval ranges are typically 350 to 440 milliseconds, depending on heart rate.

Choice C rationale

The QRS complex represents the duration of ventricular depolarization but does not include the repolarization phase. The normal duration of the QRS complex is usually 0.06 to 0.10 seconds.

Choice D rationale

The ST segment represents the time during which the ventricles are depolarized. It does not measure the time taken for ventricular depolarization and repolarization, but it can indicate ischemia or infarction. .

A. Pregnancy. B. Oral contraceptive use. C. Trauma. D. Immobility.

Correct Answer is ["A"]

Explanation

Choice A rationale

Pregnancy increases venous pressure, leading to stasis and a higher risk of DVT due to hormonal changes and decreased venous return.

Choice B rationale

Oral contraceptive use elevates estrogen levels, increasing blood coagulability and the risk of clot formation, predisposing individuals to DVT.

Choice C rationale

Trauma can damage blood vessel walls, initiating clotting cascades and increasing the likelihood of deep vein thrombosis formation.

Choice D rationale

Immobility causes venous stasis, as muscle contractions that promote blood return are reduced, heightening the risk of DVT due to stagnant blood flow.

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A nurse is performing an ECG on a client who is experiencing chest pain.Which of the following statements should the nurse make?

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A nurse is performing an ECG on a client who is experiencing chest pain.
Which of the following statements should the nurse make?