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