Which of the following waves should the EKG technician use to determine the regularity of the ventricular rate?

Depolarization of atria in response to SA node triggering

Delay of AV to allow filling of ventricles

Depolarization of ventricles, triggering main pumping contractions

Beginning of ventricular repolarization, should be flat

Ventricular repolarization

4th intercostal space to the right of the sternum

4th intercostal space to the left of the sternum

Directly between the leads V2 and V4

5th intercostal space at midclavicular line

Level with V4 at left anterior axillary line

Level with V5 at left midaxillary line (directly under armpit)

Which leads look at the interventricular septum?

For 5-lead electrode placement for the ambulatory monitoring, where should the EKG technician place the green electrodes?

On a rib on the lower right side

Which is the most appropriate site for taking the pulse of an infant?

What is the correct order of a complete cardiac cycle in the normal heart?

P-wave, QRS complex, T-wave

The vertical axis and of the EKG paper measures?

A normal PR interval should measure?

Which of the following is the most accurate site for measuring a patient's body temperature?

In a normal patient, which of the following is the expected shape and direction of the P-wave in lead II?

Repairs on an EKG machine should be performed by which of the following?

A biomedical technologist

Which of the following leads groups are bipolar leads?

While performing a stress test, the patient complains of dizziness. After stopping the test, which of the following actions should the CET take first?

Which of the following describes the correct electrode placement for V5

5th intercostal space, anterior auxiliary line

A patient presents alert and oriented, but an EKG technician finds that all the waveforms are negative in lead I. The technician should check the cable connections for which of the following limb electrodes?

An EKG technician detects a U-wave, and the patient reports chest pain and discomfort. What is an appropriate action for the technician to take?

A CET observes varying R-R intervals on a 2 year old patient EKG. Which of the following statements mad by the following CET would be correct?

"The irregularity is normal and is a result of respiration."

A patient is experiencing a change of respiratory cycle and variations in vagal tone. Which of the irregularities does this indicate?

A technician is performing an EKG in a hospital setting. The patient becomes unresponsive, stops breathing, and doesn't have a pulse. Which of the following would be the first appropriate step?

The R-R interval on a patient's tracing has five large boxes. What is the patient's heart rate?

Where should the EKG technician place the technician electrode for V5?

5th intercostal space, anterior auxiliary

Which of the following statements made by the EKG technician correctly prepares the patient for telemetry monitoring?

You may clean the skin with an alcohol pad

A technician is preparing a patient for a 12-lead EKG. What is the correct placement for lead V4?

5th intercostal space mid clavicle line

After completing an EKG on a patient, which of the following should the technician perform next?

Before discriminating the patient from the machine, check that the tracing is free from artifacts.

During a stress test, an EKG technician notices the patient appears to be hyperventilating. Which of the following is an appropriate course of action for the technician?

Which of the sensitivity settings would procedure a calibration box that measures 10mm tall?

Which of the following methods for calculating a patient's heart rate from the EKG is correct?

Divide 1,500 by the number of small boxes between two R waves

Which of the rhythms is characterized by upright P-waves, Narrow QRS complexes, and ventricular rate between 60 and 100mm?

An EKG technician has just provided education prior to a stress test. Which of the following statements made by a patient indicates an understanding of the preparations?

"I may smoke the night before the exam"

Which of the following can cause sinus arrhythmia in children?

The respiration of the patient

Which waves would an EKG technician measure to evaluate for atrial enlargement?

An EKG technician is working with a pt. who has a below the knee amputation of the left leg. Where should the technician place the right leg electrode?

Which performing a posterior EKG, which of the following is the correct location for placement of lead V8?

Which signs should the EKG technician be concerned about in a patient undergoing stress testing?

The typical vertical projections in the EKG are likely the result of which of the following?

Which is the correct sensitivity setting to create an EKG standardization mark of 5mm?

An EKG is showing a rhythm that the EKG technician is not familiar with. What should be the technician's next step?

Verify proper lead placement

Which activities should an EKG technician tell a pt. to record in his Holter monitor diary?

The EKG technician is educating a pt. on when she should push the event button while wearing a Holter monitor. Which of the following statements indicates pt. understanding?

I will push the event button if I'm experiencing discomfort

What is the only calculating method available for both regular and irregular rhythms?

Which of the following symptoms would be a cause for an EKG technician to stop a stress test?

For a 12-lead EKG, where should the red lead be placed?

For which pt. would an EKG technician except to see somatic interference on the EKG monitor?

Which of the following statements made by a new EKG technician regarding artifact demonstrates a knowledge deficit:

Electrical interference on the EKG is not caused by cell phones

A myocardial infarction can be detected by the presence of which of the following EKG tracing?

An EKG technician is measuring the intervals on the EKG tracing. Which of the following in an anticipated finding of impaired conduction through the AV node?

Which of the following EKG changes is associated with myocardial injury?

An EKG has 2nm ST elevation in leads I, AVL, V5, and V6. What type of infarction would this represent?

A patient has been ordered to wear a Holter monitor for 24 hours. Which of the following statements would indicate an understanding of home-care instructions?

I should replace leads that come loose

Which of the following is the cause for discontinuing a stress test?

Which of the following actions should an EKG technician perform on EKG cables to prevent the transmission of microorganisms?

When applying a Holter monitor how many monitor leads are placed on the patient?

A 60 year old male pt. has a hx of on and off chest pain. His resting ECG is normal. During an exercise stress test his target heart rate should be?

The part of conduction system of the heart that is located at the superior (above) portion of the interventricular septum and has the ability to function as a pacemaker with an intrinsic firing rate of 40-60bpm.

No significant arrhythmias or ST changes is considered

Ventricular Depolarization

The impulse moves through the AV node, Bundle of His, and Purkinje fibers and causes the ventricles to contract

A type of interference with an ECG caused by muscle movement

The electrical impulse is slightly delayed to give the atria time to fully contract and fill the ventricles with blood

An abnormality in a person's heart

Sends out an electrical impulse that begins the heartbeat and sets its rhythm or pattern. "Natural Pacemaker".

The number of R waves in a six second strip is 9. The heart rate is

What is the six second method?

Count the number of complete QRS complexes in a six second strip and multiply by 10

When performing the EKG a technician notices that none of the leads are giving a reading. Which limb should the technician check first to correct the problem?

When performing an EKG on an infant, where should the technician place the electrode for V3R

Between V2 and V4 on the right side of the chest

For a normal pt. Which of the following describes the pattern of the anticipated QRS complex in V4?

Half positive, half negative

Which of the following findings on a tracing should the EKG technician be most concerned about?

The variable shape of the P waves

Which of the following is a reason that a patient should wear loose-fitting clothing while wearing a Holter monitor?

A CET has performed an EKG on a patient. Which of the following actions by the CET would protect the patient's health information in accordance with HIPAA?

Hand delivering the EKG to the patient's physician

Which of the following symptoms is most likely to be consistent WITH bradycardia?

Which of the following conditions is characterized by ST segment depression and T-wave inversion?

An EKG technician eliminates an EKG's tracing artifact by plugging the machine into a different wall outlet. This means that the artifact was caused by?

Which of the following intervals should be used to determine the regularity of the ventricular depolarization?

A patient has difficulty understanding why she needs an ambulatory monitor after having an EKG two days prior. Which of the following is an appropriate explanation by the EKG technician?

Your doctor wants to study your heart over a longer period of time

Where should the EKG technician place the electrodes for V7, V8, and V9?

Every spread on the back between the auxiliary line and the vertical column at the 5th intercostal space

A thin spike before the P waves indicates that the pacemaker has been implanted to pace which of the following

The physician has ordered a patient to wear a telemetry monitor at home. Which of the following statements from the patient indicates the need for further instruction?

If the leads come loose I will reattach them

Am EKG technician notices that the waveforms on an EKG are very close together and the patient has an unusually rapid heart rate. In order to spread out the tracking the technician should change the paper speed to which of the following

Which of is the following heart blocks is the most serious?

Use the best method to calculate the RATE on the following strip.

A patient loses consciousness. The EKG tracing ventricular fibrillation. Which of the following should the EKG technician do first?

Call for help and begin CPR

Which of the following lead groups represent Einthoven triangle?

While performing a treadmill stress test on a patient, the CET observes peaked, hyper acute, and broad-based T waves, and convex ST segments. The CET should identify these findings as:

Signs of myocardial ischemia

An EKG technician is asked to obtain a right-sided EKG on a patient with suspected acute myocardial infarction of the interior wall. Which of the following leads is most sensitive and specific to right ventricular ischemia?

An EKG technician is about to perform an EKG on a 3-year old patient. Which of the following is an appropriate action for the technician to take before the procedure?

Tell the child the procedure won't hurt

What lead is created by the placement of the electrode located to the right of the patient's sternum at the 4th intercostal space?

The QRS complex is too tall to fit on the EKG paper. Which of the following actions should the EKG technician take?

Change the gain control speed to 1/2

Which of the following modifications may be made to lead placement when recording a standard 12-lead EKG on a 2-year old patient?

During a stress test, the patient reports fatigue. Which of the following actions should the technician take?

In order for an EKG technician to control and regulate the output or height of EKG waveforms, he/she should use which control?

Patients are restricted from doing which of the following wearing a Holter monitor?

Which electrodes are used to create leads I,II, and aVR?

Which of the following EKG findings differentiates accelerated inidoventricular from junctional rhythm?

Accelerated inidoventricular rhythm has wider QRS complexes

While performing a stress test, the patient complains of heaviness on his chest and becomes diaphoretic. These symptoms and signs of which of the following conditions?

Which of the following arteries is the preferred site for measuring heart rate in an adult patient after a stress test?

Am EKG technician observes ST segment depression and T wave inversion in multiple leads. Which of the following should the technician suspect?

Electrical interference on an EKG would most likely be a result of which of the following?

Which of the following is the correct section to measure the QRS complex?

Beginning of the Q wave to the end of the S wave

In which of the following situations is it acceptable for a CET to share a patient's protected health information?

An injury from quality assurance office

Which of the following abnormalities is associated with large U-waves on the EKG?

Decreased potassium level

Which interval should the tech use to determine the regularity of ventricular depolarization?

Which of the following waves should an EKG technician measure to evaluate for atrial depolarization?

Which method can be used to calculate regular and irregular rhythms?

Which of the following methods should an EKG technician use to calculate a patients heart rate from the ECG tracing?