Exam 6: Electrocardiogram Basics

Which of the following means that the health care practitioner has discussed the procedure, the risks, and the benefits of the ECG and allowed the patient to clarify any questions?

The electrode for what lead is placed on the right side of the sternum at the 4^th intercostal space?

Which of the following is the first step in patient preparation?

___________ the ECG procedure is very important for health care reimbursement.

According to the North American limb lead color code, what color is used for the left leg (LL)?

Which of the following are usually specifically identified by color and two or three letters which identify the location to place the electrodes?

A ___________ is a graphical record which is made up of lines showing the direction and strength of electrical forces.

What limb lead shows the potential difference between the left leg and left arm?

On an ECG, what measures the direction and intensity of voltage being discharged by the heart at a specific time?

A lead that records the current in only one direction is called a _________ lead.

The first three limb leads are identified as Lead I, Lead II, and Lead III and are all what type of leads?

What is the purpose of an electrocardiogram?

What bone(s) goes straight down the middle of the chest?

What is the only lead where it is acceptable to place the electrode over a bone?

Which precordial lead provides a transverse plane view of the interventricular septum of the heart?

Which precordial lead provides a view of the anterior wall of the left ventricle from the transverse plane?

What is the purpose of the grounding electrode?

A(n) __________ view means that the view of a particular wall can be viewed from more than one angle or that additional lead views will provide alternative views when a heart injury is suspected.

Electrodes have a shelf life of approximately how many years?

What lead is orientated toward the left ventricle's inferior wall?