Next review on wrong questions ncct

When performing a stress test on a 42-year-old patient, the earliest the test can be concluded is when the patient reaches a heart rate of

178 bpm

A constant PRI that exceeds 0.20 seconds indicates A) a first degree AV block. B) a second degree AV block. C) a third degree AV block. D) an AV block 2:1 conduction.

A first degree av block

Which of the following instructions regarding a Holter monitor should be given to a patient? (Select the three (3) correct answers.) A) Record activity, time, and symptoms for each occurrence. B) Press and hold event marker for the duration of the symptoms. C) Remove the monitor when showering. Press and release event marker for extreme chest pain. D) Record chest pain, palpitations, dizziness, or fainting.

A) Record activity, time, and symptoms for each occurrence., D)Record chest pain, palpitations, dizziness, or fainting. , C) Press and release event marker for extreme chest pain.

A patient with Parkinson's comes in for an ECG with noticeably severe tremors. Which of the following should the ECG technician do to ensure a proper reading?

Have the patient slide their hands under their buttocks.

During a patient's yearly checkup, the physician orders an outpatient ECG. Which of the following instructions are likely to be given to the patient at the hospital? (Select the two (2) correct answers.) A) Wear comfortable clothing, including athletic shoes. B) Do not use any lotions or creams. C) Remove any stockings and roll up pant legs, as needed. D) Remove all piercings. E) Have someone available to drive you home.

Do not use any lotions or creams., Remove any stockings and roll up pant legs, as needed.

When the patient is receiving a routine ECG, the waveform that indicates an increased risk for certain dysrhythmias and sudden death is a shorter or longer than normal A) PR interval. B) QT interval. C) PR segment. D) ST segment.

QT interval

After performing an ECG, the medical assistant notices wandering baselines in the precordial leads. Which of the following is the most appropriate next step? A) Replace electrodes on the limb leads. B) Make sure that all electronics are off in the room. C) Run the ECG again. D) Re-evaluate chest leads.

Re-evaluate chest leads.

The time interval after ventricular depolarization and before ventricular repolarization is the A) QT interval. B) ST segment. C) PR interval. D) QRS complex.

ST segment

an atrial paced rhythm.

The ECG strip shown above indicates?

Wandering baseline artifact

Which of the following artifacts are present in the ECG strip above?

Notify the physician/nurse and stop the treadmill.

While performing a stress test on a patient, the patient complains of chest pain and has the ECG shown above. Which of the following should the ECG technician do next?

When performing a 12-lead ECG, which of the following positions demonstrates correct lead placement? A) V4 is placed left midclavicular 5th intercostal space. B) V4 is placed left midclavicular 4th intercostal space. C) V5 is placed left midaxillary 5th intercostal space. D) V5 is paced left midclavicular 4th intercostal space.

V4 is placed left midclavicular 5th intercostal space.

Improper grounding of the ECG during set-up is most likely to result in A) muscle artifact. B) wandering baseline artifact. C) alternating current artifact. D) somatic tremor artifact.

alternating current artifact

Which of the following is included in the ECG technician's scope of practice? A) identifying special patient considerations B) correcting dysrhythmias on ECGs C) explaining the results to the patient D) diagnosing dysrhythmias on ECGs

identifying special patient considerations

In a patient with a heart that deviates to the right of the sternum, the ECG technician should place the precordial leads in which of the following positions?

left to right