EKG study guide

Store electrodes in a refrigerator.

All of the following are guidelines for electrode use and maintenance except:

The technician should have the patient sit quietly for at least 5 mins before taking the patients blood pressure

An ekg technician is preparing to obtain a patients blood pressure reading. The patient reports jogging to the facility "to get some exercise". Which of the following actions should the technician take?

If the batteries fall, I will replace them myself

An ekg technician is providing instructions to a patient who is to wear a cardiac event monitor at home. Which of the following statements by the patient indicates an understanding of the instructions?

98/78

An ekg technician should recognize that which of the following blood pressure readings is within the exoected reference for an adolescent patient?

Via the internodal pathways

How do impulses travel directly from the SA node to the AV node?

12

How many leads are there on a standard electrocardiogram?

False

True or false, placement of the electrodes with tabs point towards the head allows for the lead wire to follow the contour of the body, reducing the tension placed on them and the likelihood of crimping.

A. The wires/nodes/leads were not attached properly B. The patient fidgeted/moved around too much. C. The patient was not breathing normally. D. There was cell phone interference.

What are the common causes of the ecg interference or inaccurate tracings? Select all that apply

When the atria are contracting

When does atrial systole in the heart?

Wandering baseline

Which of the artifacts can appear as drifting away from the center on the ekg tracing?

A. Remind them they can continue to breath normally B. Inform the patient to lie still and avoid moving D. Check if the patient is comfortable

Which of the following are appropriate to communicate with the patient during and after the ecg? Select all that apply

Used to record electrical activity of the heart.

Which of the following best describes electrocardiogram?

Orange

Which of the following color is the V5 chest or precordial lead?

Accelerated Idioventricular Rhythm has a wide QRS complex

Which of the following ekg findings differentiates idioventricular rhythm from junction Al rhythm?

4th intercostal space, right of the sternum.

Which of the following is the correct placement for V1 electrodes?

5th intercostal space at the junction of the left midclavicular line.

Which of the following is the correct placement for V4 electrodes?

The letter V with numbers 1 to 6

Which of the following letter denoted the chest or precordial leads?

Left leg

Which of the following location is the red wire connected?

Right arm

Which of the following locations is the white wire connected?

V3 electrode is placed midway between V2 and V4 on the 5th rib.

Which of the following options is a correct chest electrode placement?

Tachycardia

Which of the following refers to the expected effect that exercise has on the heartbeat?

Sinus Arrhythmia

Which of the following refers to the expected variations in the heart rate that are caused by changes in the rate and depth of breathing?

Headache

Which of the following symptoms does not warrant an order for EKG?

Dysrhythmia

Which of the following terms describes an abnormality in the rhythm of the heartbeat?

Coarctation

Which of the following terms refers to a congenital narrowing of the aortic arch?

Cardiac cycle

Which term describes one complete sequence of heart contraction and relaxation?