AMCA EKG EXAM

Gastro means

stomach

Waveforms may be displayed on a screen called

oscilloscope

The breastbone is referred to as

sternum

What are the three layers of the heart

epicardium, myocardium, endocardium

the use of non-invasive and painless ultrasound to examine the heart, its chambers and valves is known as

echocardiography

which of the following is helpful in assisting patients with their needs

keeping a list of community resources that can further assist the patient

Automaticity means

The ability of certain cells to produce an electrical impulse without the need for outside nerve stimulation

ventricular depolarization

QRS

contraction or systole of cardiac muscle

Depolarization

Relaxation or Diastole of the cardiac muscle

Repolarization

Atrial Depolarization

P wave

ventricular repolarization

T wave

Two Pvcs in a row

couplet

Atrial fibrillation has

no P waves

On an ECG horizontal lines measure

heart rate

Lowers overall resistance in the vascular beds

ACE inhibitors

The PR interval gets progressively longer in

2nd degree AV heart block

touching a persons body without their consent

Battery

An idioventricular rhythm has a rate of

20-40bpm

Which patient evaluation process lets you know that the teaching plan is working

evaluation

which of the following marks the ecg paper

stylus

who must be present during a stress test

cardiologist

The pericardial sac that surrounds the heart

allows the heart to expand & contract with minimal friction

making false statements orally

slander

before placing electrodes on patient's body, interference may occur if there is a lot of hair covering their body and will need to be shaved. what should you do prior to shaving the patient?

ask the patient's permission before shaving them

Dysrhythmia means

ECG rhythm differs from normal sinus rhythm

The contraction phase of the heart beat is called

systole

where is v2 located

4th intercostal space to the left of the sternum

if a patient is said to be asystole the characteristics would be

rate of 0 no pulse

premature atrial complexes originate form the

atria

When no abnormalities show during a resting ECG, the physician may order an exercise ECG. Another name for this is:

stress test

junctional tachycardia has

PR intervals less than 0.12 seconds

characteristics of premature ventricular complexes include that they

have a wide and bizarre QRS complex

when preparing a patient to wear a holter monitor instruct the patient to

depress the event marker for significant symptoms

the most superficial layer of the heart that is made up of simple squamous epithelial tissue over loose areolar connective tissue is called the

Pericardium

which of the following refers to period in the mechanical and electrical events when the heart is relaxed and involves repolarization?

Diastole

The blood vessel that carries oxygenated blood to the body is called?

Aorta

What position should the patient be in when an ECG is performed

Supine

The PR Interval may vary from beat to beat in

3rd degree AV heart block

which of the following terms refers to the ventricular ectopic discharge at a rapid, regular rate in excess of 100 beats per minute?

ventricular tachycardia

when monitoring a patient with a sinus arrhythmia a gradual increasing of the heart rate is usually associated with

inspiration

Select the method of preparation for the patient that will ensure a successful ECG recording.

making sure the patients legs are not crossed and the arms are resting at each side

when educating a patient about factors that increase the risk of atherosclerosis, include which of the following

high blood pressure and obesity

the Q wave is

the first negative deflection following the pwave

a patient is regularly taking digoxin for heart failure. The patient is instructed to do which of the following?

check their pulse on a regular basis

the patient is asymptomatic during the ecg, has a heart rate of 98bpm and you notice normal sinus rhythm. what should you do ?

continue recording

the point at which the QRS complex meets the ST segment is called the

j point

in which of the following will the qrs complex have a higher amplitude?

when there is fluid in the pericardium

When a rhythm speeds up and slows down in a rhythmic fashion it is referred to as

patterned

the 3rd step of analyzing an ECG is to

Determine the heart rate

a medication that can be used as a local anesthetic as well as a first line anti-arrhythmic used to treat acute life threatening ventricular arrhythmia is

xylocaine

Tall and symmetrically peaked P waves may be seen with

increased right atrial pressure and right atrial dilation

The category of antihypertensive medications that will cause vasodilation, block aldosterone secretion, and increase urine output is?

ACE inhibitor

which of the following is the first structure that will be seen when imaging from the suprasternal notch?

Aortic Arch

the wall that separates the two superior chambers of the heart is called

interatrial septum

the skeleton of the heart

Separates the atria from the ventricles

The heart receives most of its own blood supply via the

coronary arteries

regulation of the heart rate speed of electrical conduction and strength of contraction are influenced by the brain via the ___ nervous system

autonomic

the cardio accelerator center

is part of the sympathetic nervous system

how much blood coming into the ventricles flows passively through the aorta?

70%

during which phase of the cardiac cycle do the coronary arteries fill?

early diastole

during depolarization

Impulses are generated and transmitted when positively charged ions move inside the cell causing the interior to become positively charged

the most muscular chamber of the heart that forces blood through the aortic valve into the aorta would be

left ventricle

the t wave

is normally oriented in the same direction as the preceding QRS complex

The initiation of the impulse in the SA node and its movement through the atria produces a:

P wave

what is used as a reference point to identify the changing electrical impulse

isoelectric line

With Lead II, the positive electrode is positioned on the

left leg

a standardization mark is

10 mm tall; 2 large squares high

an electrical current traveling toward a positive electrode produces a waveform that

points upward

the most accurate way to measure heart rate is

1500 method

the electrocardiogram measures

heart's electrical activity

a mini stroke lasting several minutes to a few hours, but has no permanent damage

transient ischemic attack

The limb leads are obtained by placing electrodes on the

right arm, left arm, left leg

the first heart sound is the _____ valve and the ______ closing

tricuspid and mitral

the instrinsic firing rate of the AV node

40-60

What is known as the pacemaker of the heart?

SA node

each large square in the EKG graph paper is equal to

.20

each small square in the ekg graph paper is equal to

.04

the lead that is grounded

RL

Lead III

LA to LL

To calculate an irregular heart rhythm use

6 second method

the electrical impulse that normally initiates the heart beat arises from the

SA node

cardiac output is equal to

stroke volume multiplied by the heart rate

The impulse traveling through the His-Purkinje system generates a ___ on the ECG.

QRS complex

____ positioned on the patient's skin detect the heart's electrical activity

electrodes

what does the U wave represent

Purkinje fibers are repolarization

when the heart is located on the right side

Dextrocardia

a holter monitor is also known as

ambulatory EKG

right side of the heart circulation

pulmonary

a good source of vitamin k is cabbage

true

how is patient information written for an ekg

at a 6th grade reading level

During 1-rescuer CPR the compression to ventilation ratio is

30:2

the vertical line on a ECG strip represents

voltage/amplitude

ECG electrodes

should always not be expired

must be made by the same manufacturer

mitral valve

located between the left atrium and left ventricle

the circulation of blood to all organs of the systems of the body is known as

systemic circulation

the following rhythm strip

ventricular fibrillation

the following rhythm strip

atrial flutter

ventricular tachycardia rhythm strip

atrial fibrillation rhythm strip