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EKG MIDTERM REVIEW

QuestionAnswer
What does the electrocardiogram or ECG detect? The electrical activity of the heart
An electrocardiograph (ECG) technician should be able to: determine if an ECG tracing is accurate.
Continuous ECG monitoring done in a hospital setting with a small transmitter box is known as: telemetry monitoring.
What device enables lay rescuers to help a patient with sudden cardiac arrest? Automatic external defibrillator (AED)
Which of the following topics is the least important for an ECG technician to understand? Detailed evaluation of ECG results
Ethics are: standards of behaviour and concepts of right and wrong.
HIPAA stands for: Health Insurance Portability and Accountability Act.
Which of the following is not implied consent? Patient signing a consent form for a treadmill stress test
Who should sign the consent form if a patient cannot read or write? A family member of the patient
You have a patient that can only sign an "X" on the consent form. You need to: explain the procedure to the patient with a witness present, have the patient place an X on the form, and have the witness sign the form also.
The ________monitor allows the patient to participate in normal daily activities while the electrical activity of the heart is being recorded. Holter
________means writing defamatory words. It is illegal and unethical and could result in the loss of your job. Libel
Which device recognizes an abnormal rhythm and can deliver an electric shock to the heart if necessary? AED
The problem-solving process includes which of the following steps? Identify and define the problem.
Procedures that are used with all patients to prevent the spread of infection are: standard precautions.
An electrocardiograph is a(n): instrument used to record a tracing of the heart's electrical activity.
Narrowing of the arteries that supply the heart with blood is a condition known as: coronary artery disease.
The single most important thing you can do to prevent the spread of infection while performing ECGs is to: perform proper hand hygiene.
Which of the following items is not included in an assessment of a patient’s vital signs? Level of consciousness
The adult pulse is most commonly measured at the: radial artery at the wrist.
A patient who is having difficulty breathing is said to have: dyspnea.
All of the following factors can affect a person’s blood pressure except: blood type.
The reason for determining a patient's palpatory blood pressure is: to avoid over- or underinflation of the blood pressure cuff.
Cardiac dysrhythmias are: abnormal heartbeats.
Slander and libel are: both illegal and unethical.
Which of the following is not a specific type of isolation precaution implemented for hospitalized patients? AIDS precautions
You have been asked to perform an ECG on a hospital patient who is known to have infectious pulmonary tuberculosis. Which of the following precautions should you take? Standard precautions and airborne precautions
What is the approximate size and shape of the smallest transtelephonic monitor? Jump drive or credit card
Which of the following is most important to perform prior to performing an ECG? Explain to the patient what you are going to do before you do it
Medical record documentation requires all the following EXCEPT: Foster parent medical history
What is recorded on the ECG strip? The electrical activity of the heart
The average heart is approximately what size? The size of your fist
The outermost layer of the heart is the: epicardium.
The sac of tissue that encloses the entire heart is the: pericardium.
The purpose of the pericardium is to: protect the heart from infection and trauma.
The heart is divided into four chambers. The top chambers are the: right atrium and left atrium.
The valve located between the left atrium and left ventricle is the: mitral (bicuspid) valve.
The tricuspid and mitral (bicuspid) valves are known as ________because they separate the atria from the ventricles. atrioventricular (AV) valves
The ________valves separate the ventricles from the arteries leading to the lungs and body. semilunar
Which blood vessels provide oxygen and nutrients directly to the heart muscle? Coronary arteries.
The valves located in the heart are important because they: prevent blood from flowing backwards.
Blood that leaves the right ventricle is considered: deoxygenated
The volume of blood ejected with each contraction is referred to as the: stroke volume.
The "lubb" and "dupp" sounds you hear are made by the: opening and closing of the heart valves.
The phase of the cardiac cycle when the heart is expanding and refilling, also known as the relaxation phase, is: diastole
The heart's own ability to initiate an electrical impulse without being stimulated by another source is known as: automaticity.
The ability of the heart cells to receive and transmit an electrical impulse is known as: conductivity.
The ability of the heart muscle cells to shorten in response to an electrical impulse is known as: contractility.
What is the heart's response to stimulation of the vagus nerve? It slows down.
The function of the bundle branches is to: conduct electrical impulses from the AV bundle to the left and right ventricles.
The SA node sends electrical impulses at a rate of: 60 to 100 bpm.
The primary pacemaker of a normal heart, where the electrical impulse for the heartbeat originates, is the: SA node.
Which of the following statements best describes the function of the heart? It pumps blood to and from the body tissues.
Which of the following statements best describes the right side of the heart? It is a low-pressure pump that moves blood with a low oxygen concentration.
The average volume of blood pumped each minute in a normal heart is: 5 liters per minute.
To estimate a person's cardiac output, you can: multiply the heart rate by the stroke volume.
Which of the following actions occurs during systole? The pulmonary and aortic valves open.
Which of the following electrolytes plays a large role in the control of the heart rate? Potassium
The structure that transfers an electrical impulse from the atria to the ventricles is the: bundle of His.
The Einthoven triangle is formed by the following three limb leads: right arm, left arm, left leg.
Which of the following is not a type of lead used in a 12-lead ECG? Abdomen
Which of the following is not considered a bipolar lead? aVR
Unipolar leads include all the lead types except: standard leads.
The V2 lead should be placed at the: fourth intercostal space, left sternal border.
Signal processing, which occurs inside the ECG machine, amplifies the electrical impulse.
The most commonly used paper speed on the ECG machine is: 25 mm/sec.
The gain control is normally set at: 10 mm/mV.
You are preparing to conduct a 12-lead ECG on a patient. As you are gathering your supplies, you notice that five of the electrodes are made by one company and the other five electrodes are made by another company. What is your next step? Find a complete set of 10 electrodes that are the same.
The ECG graph paper represents time horizontally and voltage vertically. What time and voltage are represented by one large box? 0.20 second and 0.5 mV
Which of the following is an advantage of using dot matrix paper instead of the standard grid paper? Dot matrix paper produces sharper photocopies than standard grid paper.
Which of the following substances can accidentally erase an ECG tracing? Plastic
When the paper speed is 25 mm/sec, how many boxes are present in a 1-minute recording? 300 boxes per minute
When estimating the heart rate with the 6-second method, you locate 6 seconds on a rhythm strip, count the number of complexes, and multiply by: 10
Which method of calculating the heart rate is shown below? 1500 method
Using the 1500 method, calculate the heart rate. 40 bpm
Computerized interpretation of the ECG tracing: must be validated by a physician.
Which of the following is a valid reason to change the speed of the ECG tracing? You cannot clearly identify the waves because they are too close together.
The term tachycardia means: fast heart rate.
How many leads does a multichannel recorder monitor at one time? 12
The process of studying a current ECG tracing along with older ECGs taken at intervals to note differences in a patient's condition is: serial ECG comparison.
Which of the following conditions can an ECG machine detect if you set up heart rate limits on the machine? Tachycardia
Which type of electrode is most commonly used to perform an ECG? Disposable
When serial ECGs are performed on a patient, which of the following guidelines should be followed to ensure accurate results? The electrode placement must be the same for each ECG.
Estimate the heart rate using the R-R method. 150 bpm
Estimate the heart rate using the 1500 method. 100 bpm
Use the 1500 method to estimate the heart rate. 100 bpm
Use the 6-second method to estimate the heart rate. Note: This strip represents exactly six seconds. 140
Which method of estimating heart rate should you use for this tracing, and what is the estimated heart rate? 1500 method, 100 bpm
How long must the ECG tracing be maintained as part of a patient's medical record? 7 years
The first thing that is needed to perform an ECG is: a physician order for the test.
You have an order to perform an ECG on a 76-year-old woman. introduce yourself, and explain that you are going to perform an ECG. You explain the procedure, but the woman refuses to allow you to do the ECG. What should you say to the patient? "Will you tell me why you don't wish to have an ECG done?"
What must you always check prior to performing any procedure on a patient? The patient’s name and identification number
When properly positioning the chest lead electrodes, you should make sure that the electrode is placed on the ________of the rib cage. intercostal space
Which anatomical landmark starts in the middle of the axilla and runs down the side of the chest? Midaxillary line
When applying chest leads, you will place the V4 lead: at the fifth ICS, left midclavicular line.
How can you be certain you are attaching the lead wires to the electrodes properly? Check the manufacturer's directions in the instruction manual
The patient has a cast on his lower left leg. The limb electrode placement should be: at equal levels on the thighs.
You are placing the electrodes for an ECG on a patient who weighs 342 pounds, and you cannot find the midclavicular line. What should you do to place lead V4? Use the clavicle as the landmark.
Approach the patient from the patient's ________if possible when performing an ECG. left side
You are about to record an ECG on a patient who has Parkinson's disease. What measures can you take to prevent somatic tremors from being recorded on the ECG recording? Have the patient put his or her hands, palms down, under the buttocks.
What type of artifact is shown in the figure? Somatic tremor
What type of artifact is shown in the figure? Wandering baseline
If the ECG was ordered stat, what must be done with the results? Give the results directly and immediately to the physician.
You are preparing to perform a 12-lead ECG on a 7-year-old child. When communicating with this patient, you should: avoid using technical words.
Placing lead V3 on the right side of the chest is known as: V3R
You are recording an ECG tracing on a female patient who has had a mastectomy. Your responsibilities include: documenting this information on the ECG tracing.
If you record more than one ECG during a Code Blue emergency, it is important to note which of the following? Indicate on tracing "repeat ECG-same lead placement"
The standardization mark on a manual ECG machine should be inserted: between the T wave of one complex and the P wave of the next.
While preparing to perform an ECG on a patient, you ask her if she is on any medications. She replies that she is taking Lipitor and Norpace. You should: write the names of the medications on the ECG report.
You have begun performing an ECG on a patient, and the tracing appears as a flat line. What is the first thing you should do? Remain calm and check the patient.
An ICD-10 code is a(n) diagnostic code used by the billing department.
Which of the following is not commonly performed as part of routine maintenance of an ECG machine? Sterilizing the cables
How should you position a pregnant woman for an ECG? Rolled slightly to her left side
Where should you place V7 when you are performing a posterior 12-lead ECG? In a straight line from V6 on the left posterior axillary line
Using proper body mechanics includes: using movements that maintain your posture.
You need to perform an ECG on a patient who weighs 285 pounds. Pt is brought into the room in a wheelchair she cannot move to the ECG table without assistance. You do not have the strength to lift the patient onto the table. What should you do? Ask a co-worker to assist you in moving the patient
Why are lead II or a modified chest lead the preferred leads for continuous cardiac monitoring? These leads provide the best ability to view the P wave.
Which of the following may be a cause of somatic tremor? Shivering from being cold.
Which of the following techniques is the BEST demonstration of proper body mechanics? Lift with your legs, not your back
Created by: Nisha97
 

 



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