every EKG bellringers

The primary pacemaker of the heart is the?

Sino atrial (SA) node

Which term describes an EKG wave that moves upward from the isoelectric line?

Positive

What is the best way to identify an inpatient by reading their?

Wristband

On EKG paper one large box represents?

0.2 seconds

Which of the following small waves sometimes appears between the T wave and the P wave?

U wave

Which of the following is a sign of decreased and low output?

Fatigue

The ____ supplies the right atrium and ventricle with blood?

Right coronary artery

What type of rhythm occurs when an electrical impulse generated in the SA node is blocked by the AU node + AV node bundle?

Heart block

What describes a complete absence of electrical activity in the heart?

Asystole

An agonel rhythm indicates a ___?

Dying heart

What is the term for scrubbing the outer layer of the skin to remove debris that can interfere with electrode contact?

Abrade

An axillary temperature is typically?

Lower than oral temperature

What is the term for a rare heart condition that causes the heart to develop pointing to the left side?

Dextrocardia

How should electrodes be placed for a patient with dextrocardia?

Mirror image of stand and placement

Which of the following items should be worn when entering the room of a patient on droplet precautions?

Surgical mask

What term refers to abnormally early beats resulting from electrical activity in the atria?

Premature atrial complexes (PAC’S)

What is the name for a rhythm on a EKG that is noted to come and go?

Transient

What is the term for two or more EKG leads that record activity in the same area of the heart?

Contagious

An aneurysm is a sack form by an outpocketing of a portion of a(n)?

Blood vessel

What is the most common type of supraventricular tachycardia?

Atrioventricular nodal reentrant tachycardia (AVNRT)

What is the pericardium?

The sac that encloses the heart

What happens to an electrical signal in the atrioventricular (AU) node

It slows down before traveling to the ventricles

What type of cardiac testing is performed only in inpatient setting?

Telemetry

In sinus arrhythmia that rate will be

Irregular

What is the typical rate of a junctional escape rhythm?

40–60 BPM

What term refers to the loop in the lead wire close to the electrodes designed to reduce tension of the electrodes?

Stress loop

Patient’s with angina pectoris have?

Chest pain

The bicuspid value is also called the?

Mitral valve

What age patient is most likely to be diagnosed with a patient duct arteriosus?

Newborn

When the cardiac muscle cells are stimulated?

The heart contracts

What structure(s) make(s) sure blood flows through the heart in the correct direction?

Valves

What is the name for spikes that do not align with the patient’s cardiac activity of an EKG tracing from a patient with an implant of permanent pacemaker

Failure to sense

Leads V1 + V2 view which portion of the heart?

Septal

What should an EKG technician always do before touching a patient?

Ask permission

What is the term for the difference in electrical charge between electrodes?

Voltage

What can improve electrode contact?

Removing body hair

Which of the following is considered a prolonged PR interval?

0.24

The QRS measurement for a premature atrial complex (PAC) should be?

Less that 0.12 seconds

What are U waves thought to represent?

Repolarization of the purkinje fibers

What should be done to reusable EKG machine components between patient encounters?

Disinfection

A regular rhythm with a(n) normal rate

Normal sinus rhythm

The upper chamber of the heart is called?

Atria

How many leads does a Holter Moniter use?

5

Tall, peaked T waves observed on the EKG are most commonly seen in a patient with?

Hyperkalmia

The inherent rate for the atrioventricular (AV) junction is

40-60

What is the name of the type of EKG artifact that can be caused by appliance of equipment use hear the EKG machine?

Electrical interference

What should an EKG technician do when a patient needs to change into a gown?

Provide a area for them to change.

All blood and body fluids should be treated as if they are?

Infected

What is syncope?

Loss of consciousness

What is the name of the type of EKG artifact that can be caused by frayed or broken lead wires?

Interrupted baseline or broken recording

Junctional rhythms occur when impulses are generated in the?

Atrioventricular (AV) junction

What is the mediastinum?

The space between the lungs in the middle of the chest

Which of the following can EKG graph paper be used to measure?

Amplitude of electrical activity

Impulses from atrioventricular (AV) node go through ___ to the right and left bundle branches?

Bundle of his

Which electrode is placed in a non-standard position when preforming an EKG on a patient who is between 2-12 years old?

V4

Which of the following is an example of a patient condition that may require changes to the standard EKG testing procedure?

Pregnancy

What does the P wave represent?

Atrial depolarization

What adjusts the sensitivity of an EKG machine?

Gain control

What is the term for multiple premature ventricular complexes (pacs) that are different within some tracing?

Multifocal

In what setting is a holter monitor used?

Ambulatory

Which of the following is a characteristic of ventricular tachycardia?

QRS duration greater than 0.10 seconds

Which part of an EKG tracing should be evaluated to access whether a rhythm is regular?

R-R interval

What represents depolarIzation of the ventricles on an EKG?

QRS complex

What are the beta-1 receptors located?

Heart + kidneys

What is the term for a normal rhythm with a rate of greater than 10 bpm?

Sinus tachycardia

When the cardiac muscle cell is the stimulated the cell is to?

Depolarize

Name, birth dates, social security numbers, and medical record numbers are examples of?

Protected health information

An EKG technician should utilize contact precautions when encounters a patient with which of the following?

Methicillin resistant staphylococcus aureus (MRSA)

What is the name of the straight line between a T wave and the next P wave?

Isoelectric line

When preforming an EKG which position is most likely to be comfortable for a patient with respiratory or heart problems?

Semi Fowler

Systolic pressure occurs when the ventricles?

Contract

Which electrolyte triggers the first step in an electrical impulse in the heart

Sodium

What is the term for multiple premature ventricular complexes (pac’s) that are identical within the same tracing?

Unifocal

Swelling due to build up in the tissues is called?

Edema

What describes a regular rhythm at 100-200 beats per minute with an absent P wave?

Ventricular tachycardic

A complete EKG consists of ____ leads?

12

Heart blocks are caused by conduction problems between the?

Artificial pacemaker

Which of the following EKG leads are bipolar leads?

1, 2, and 3

What is the heart rate in ventricular fibrillation?

Not measurable

In sinus arrhythmia a gradual decreasing of the heart rate is usually associated when ___

Expiration

In atrial tachycardia?

100 — 250 BPM

What gain setting is standard gain?

10 mm/mv

What does it mean when a patient is on Contact precautions?

They have an illness that can be spread by touch

What is the name of the flat line between the end of the P wave and the onset of the QRS complex?

PR segment

The basic contractile unit of myofibril is a(n)?

Sarcomere

Ventricular rate is determined by measuring from?

R wave to R wave

Which of the following should be reported to the doctor right away?

ST segment depression

Which body system sends receives and interprets information and coordinates internal body functions in response to environmental conditions

Nervous

What is the term for an extra beat that appears on an EKG that is not part of a arrhythmia?

Ectopic beat

Stroke volume multiplied by the heart rate is the formula for?

Cardiac output

When should EKG technicians wash their hands?

Both before, and after providing patient care

What term describes three premature ventricular complexes (pacs) in a row as part of a rhythm with no P-wave, QRS duration greater than 0.10 sec and a ratio of 100 to 200 BPM

Run of ventricular tachycardia