Competency Challenge: perform an Electrocardiogram ch 45 Cardiology Procedures

Wandering baseline artifacts can be caused by which of the following conditions? Select all that apply.

a. Improperly applied electrodes

d. Oils, creams, and lotions on the patient's skin

Which of the following are reasons for performing a cardiac stress test? Select all that apply.

a. Cardiac stress tests are done on a routine basis for patients with high risk of developing heart disease.

b. Cardiac stress tests are done in a limited manner for patients who continue to have chest pain even after a routine ECG has been read as normal.

d. Cardiac stress tests are done in a limited manner for patients interested in starting a strenuous exercise program.

Which of the following is designed to provide countershock by a trained individual to convert cardiac arrhythmias into regular sinus rhythm?

Defibrillator

Match the lead to its appropriate location.

A: Fourth intercostal space at right margin of sternum

B: Fourth intercostal space ar left margin of sternum

C: Midway between position 2 and 4

D: Fifth intercostal space at junction of left midclavicular line

E: At horizontal level of position 4 at left anterior axillary line

Match the term to the appropriate location on the heart to identify the anatomy of the electrical pathway of the heart.

A: SA node

B: AV node

C: Right bundle branch

D: Left bundle branch

E: Purkinje fibers

F: Bundle of His

Match the image with the type of rhythm noted on an ECG.

A. premature ventricular contractions

B. ventricular tachycardia

C. ventricular tachycardia

Match the lead to the appropriate location.

A. lead 1

B. lead 2

C. lead 3

Electricity in the heart is produced by a/an exchange at the cellular level and muscle contraction.

Chemical

During the cardiac cycle, an electrical impulse originates in the modified tissue of the causing the atria to contract.

SA node

What do you call the sensors applied to the skin to record the electrical activity of the heart?

electrodes