which procedure is frequently used in the diagnosis of the heart disease and dysfunction?

electrocardiogram

a heart is a

four chambered pump

which of the following is a portable lightweight device that allows you to quickly administer the test in turn allowing the provider to make efficient cardiology assessments ?

computer based electrocardiograph

on the non digital electrocardiograph the ________ a heated pen-like instrument produces a printed representation on the ECG paper.

stylus

An ECG can detect

disturbances on heart rhythm

the standardization mark should be indicated _______ of each lead to provide a reliable reading

in the front

to prepare for performing an ECG you should look over the lead wires and cables to make sure there are no _______ or damage and check to be sure the clips are attached correctly and are in proper working order.

cracks

When preparing a patient for an ECG. What should you tell the patient?

the machine does not put electricity into the body

What can you do with the sensitivity dial if the ECG tracing is too large?

Turn down to 1/2

irregularities in the hearts rhythm are known as?

arrhythmias

what might patients with various neurological disorders produce on an ECG tracing

muscle voltage artifacts

For which type of patients are exercise ECG stress test sometimes ordered on a routine basis?

those with a high risk of developing heart disease

When patients are wearing a Holter Monitor they should be instructed to

continue daily activities

ventricular tachycardia

three or more PVC's occurring at a rate of 150 to 250 BPM

premature ventricular contractions

beat that occurs early in the cycle is followed by a pause

premature atrial contractions

cardiac cycle that occurs before the next cycle is due

pacemaker arrhythmias

shows up as vertical signals that represent the electrical activity

paroxysmal atrial tachycardia

heart range from 160 to 250 BPM

atrial fibrilation

heart rate can range from 400 to 500 BPM

when instructing a patient on the stress test procedure what should you instruct the patient ?

wear lose clothing

An echocardiography is a ________ diagnostic tool that tests the structure and function of the heart through sound waves.

noninvasive

how many hours does a patient wear a Holter Monitor for

24

the total time a stress test is approximately _____ minutes

60

which equipment is designed to provide counter shock to convert cardiac arrhythmias into regular sinus rhythm?

Defibrillator