study for CCMA

what is the most common type of artifact

example of somatic tremor from disease

one cardiac cycle takes approximately how long

cardiac cycle aka

part of wave that indicates ventricular depolarization

another name for V lead is

what does P wave represent

another name for atrial depolarizarion

when the heart recovers and relaxes

when does repolarization occur

contraction of cardiac cells

how does depolarization occur

what does QRS wave represent

what does the T wave represent

medical term for ventricular relaxation

which wave only occurs occasionally in some patients

what does the vertical line on the EKG represent

what does the horizontal line on the EKG represent

what is a baseline

what is one box equal to

what are 5 large squares equal to in time

what does BPM stand for

what is elctrolyte

what forms does electrolyte come in

why is electrolyte necessary

what are electrodes

what are electrodes made of

what are lead wires

how can older electrocardiograph machines be adapted or converted to operate with the current self, adhesive electrodes

how many sensors are on a standard EKG

how many leads do the sensors record

what are the sensors recording

what are the four limb leads

which limb lead is called the "ground" or reference electrode

where on the limbs are the sensors placed

lead I records the electrical activity between the

lead II records the electrical activity between the

lead III records electrical activity between the....

which lead portrays the heart beat better then other leads

Lead II aka

the first 3 leads are also known as what type of lead

leads iv, v, and vi are designated as what leads

these augmented leads are also known as what

lead aVR records activity from

Lead aVL records activity from

lead aVF records activity from

what does aVR, aVL and aVF stand for

how long is each cardiac cycle

what does augmented mean

how many sides does the heart have

how many lobes does the heart have

the skin is not a great conductor of _________

electrolytes provide __________ and electrodes provide _______ to the conduction process

what is a two sided pump the routes blood where it needs to go

______ cells in the heart are able to conduct electricity

artifacts are electrical __________

what is it called when there is a discharge of electrical energy

ECG is an

unipolar aka

a series of x-rays of a blood vessel after injection of a radiopaque substance

the part of the heart cycle in which the heart is in contraction

the flat, horizontal line that separates the various waves of the ECG cycle

chemical substance that enhances the conduction of electrical activity

conversion of a pathologic cardia rhythm to normal sinus rhythm

local and temporary lack of blood to an organ or a part because of obstruction of circulation

procedure used to obtain cardia blood samples, detect abnormalities, and determine intracardiac pressure

heated slender wire of the electrocardiograph that melts the wax off the ECG paper during the recording

pertaining to the area on the anterior surface of the body overlying the heart

procedures that do not require entering the body or puncturing the skin

sensors used to conduct electricity from the body to the electrocardiograph

to add or increase

process of applying in sequence a portion of each of the 12 leads of the ECG recording onto a document placed in the patient's chart

applications of electric current to the heart, directly or indirectly, to alter a disturbance in cardia rhythm

mechanism in the electrocardiograph that changes the voltage into a mechanical motion or recording purposes

having or pertaining to a one-pole process

the normal period in the cardiac cycle during which the myocardial fibers lengthen, the heart dilates and the cavities all fill with blood

one complete heartbeat

during an ultrasound procedure, this device picks up echoes and converts them to electrical energy

an area of tissue in an organ or a part that becomes necrotic after cessation of blood supply

amount, extent, size, abundance or fullness

having equal electrical potentials, represented on the ECG as the baseline

the first three leads are

the next group of leads recorded after bipolar are

augmented/unipolar leads are after the ________ and designated

repolarization takes place while the heart muscle

a type of chest electrode that consists of a disposable adhesive sensor is known as

one millivolt of cardia electrical activity will deflect the stylus exactly

a wandering baseline may be caused by

where is SA node located

SA node aka

what does the T wave represent

baseline aka

electrical activity that causes contraction is called

electrical activity that causes relaxation is called

name the artifacts

ex of somatic artifact

ex of ac interference

ex of wandering baseline

interrupted baseline example is

PAC

PAC are experienced by _________

ventricular fibrillation is seen in

ventricular fibrillation is __________________

ventricular tachycardia can lead to

a common disturbance, or arrhythmia seen on ECG's are

lack of blood to an organ or part

ECG paper is

the graph is a