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1
Q

What do elevated ST segments indicate during an exercise stress test?

A

Signs of acute myocardial injury

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2
Q

How does accelerated idioventricular rhythm differ from junctional rhythm?

A

Accelerated idioventricular rhythm has wide QRS complexes.

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3
Q

What artifact can appear as drifting away from the center on an EKG tracing?

A

Wandering baseline

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4
Q

In which position should the EKG technician assist a patient for a standard 12-lead EKG?

A

Supine

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5
Q

What statement indicates a patient understands instructions for a Holter monitor?

A

“I should activate the event marker if I have chest pain.”

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6
Q

What should an EKG technician do after turning on an AED?

A

Stand clear from the patient and allow the AED to analyze.

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7
Q

What action should be taken if the QRS complex is too tall on EKG paper?

A

Change the gain control to 5 mm/mV.

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8
Q

What term describes writing defamatory comments in a patient’s chart?

A

Libel

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9
Q

Which electrode is used to create leads I, II, and aVR?

A

Right arm

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10
Q

What should an EKG technician do if a patient appears to be hyperventilating during an exercise stress test?

A

Check the patient’s respiratory rate.

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11
Q

What is the correct electrode placement for lead V5?

A

Anterior axillary line, fifth intercostal space

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12
Q

What term describes a pulse oximetry reading of 88%?

A

Hypoxemia

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13
Q

What type of monitor can record cardiac event information for 30 days or longer?

A

Loop-memory monitor

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14
Q

Where should leads be placed for a resting EKG tracing for a patient in an immobile fetal position?

A

On the patient’s back

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15
Q

What statement should be made before an exercise stress test?

A

“This procedure requires informed consent.”

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16
Q

What is the target heart rate for a 50-year-old patient during submaximal exercise?

A

145/min

The target heart rate is calculated by taking 220, subtracting the patient’s age, and multiplying by 0.85.

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17
Q

Which lead should be placed on the right lower side of the anterior torso?

A

Lead RL

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18
Q

How should lead placement be modified for a patient with a below-the-knee amputation of the left leg?

A

Place the lower left extremity lead on the left groin.

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19
Q

Where should electrodes for leads V7, V8, and V9 be placed?

A

Evenly spaced on the back between the axillary line and the vertebral column at the fifth intercostal space

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20
Q

What instruction should be included for a patient scheduled for an exercise stress test?

A

“You should avoid wearing shoes with high heels for this test.”

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21
Q

Which wave should be measured to evaluate atrial depolarization?

A

P wave

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22
Q

What is the electrode charge combination for the limb leads in a standard 12-lead EKG?

A

Right arm negative pole, left arm positive pole, and left leg positive pole

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23
Q

What does a variation in respirations that correlates with the EKG tracing indicate?

A

Sinus dysrhythmia

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24
Q

What is the expected reference range for adult body temperature?

A

36.5° to 37.2° C (97.7° to 99.0° F)

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25
What is the most appropriate site for taking the pulse of an infant?
Brachial artery
26
Where should a patient apply the Heart Card to activate it during an event?
Over the middle to lower part of the sternum
27
What length of time does the smallest box on EKG graph paper represent?
0.04 seconds
28
In which position should a patient at 35 weeks of gestation be placed for a standard 12-lead EKG?
Slightly on the left side with a pillow supporting the right hip
29
What finding should prompt the technician to stop an exercise stress test?
Dizziness
30
What is the maximum number of tracings that can be obtained on the same patient using a single set of disposable electrodes?
Two
31
If the R-R interval has five large boxes, what is the patient's heart rate?
60/min
32
What can indicate a previous myocardial infarction on an EKG tracing?
Pathologic Q waves
33
Which limb should be checked if lead II and lead III are not yielding a reading?
Left leg
34
What medical history finding would prevent a patient from participating in an exercise stress test?
Congestive heart failure
35
What is the final step when applying a Holter monitor?
Document the procedure in the patient's health record.
36
What is the expected reference range for the respiratory rate of a newborn?
30 to 49/min
37
What situation could result in wandering baseline artifact on an EKG tracing?
Loose electrodes
38
What PPE should be applied to a patient on droplet precautions during transport for an EKG?
Simple face mask
39
What caused an artifact eliminated by plugging the machine into a different wall outlet?
AC interference
40
Where should electrodes for a 3-lead ambulatory monitor be placed?
On the right shoulder, the left shoulder, and the left abdomen
41
What is used to ensure the EKG machine is working properly?
Calibration
42
Where should lead V9 be placed during a posterior 12-lead EKG?
Along the paraspinous border
43
What finding should be expected in a patient with ventricular hypertrophy?
Increased amplitude of the QRS complex
44
What should be done after noticing an accelerated idioventricular rhythm?
Call for help and stay with the patient
45
What can cause sinus arrhythmia?
The patient's respirations
46
What indicates an adverse reaction during an exercise stress test?
An increase in respiratory rate from 16/min to 34/min
47
What should be suspected with ST segment depression and T wave inversion in multiple leads?
Myocardial ischemia
48
What is the correct placement for lead V4?
The fifth intercostal space at the midclavicular line
49
What should be done first if a patient loses consciousness and the EKG shows ventricular fibrillation?
Call for help and begin CPR.
50
What action should be taken if a patient's skin is diaphoretic before cardiac monitoring?
Prepare the site with antiperspirant.
51
Where should the RL electrode be placed for an exercise stress test?
Right lower abdomen
52
What should be done if a U wave is detected and the patient reports chest pain?
Perform another EKG recording.
53
Where should the electrode for lead V1 be placed for a patient with dextrocardia?
Left sternal border, fourth intercostal space
54
What finding should be reported to the provider during an exercise stress test?
Decreased heart rate
55
Which leads record electrical activity of the septal wall?
Leads V1 and V2
56
Which interval should be used to determine the regularity of ventricular depolarization?
R-R wave interval
57
What should be done to spread out an EKG tracing with very close waveforms?
Change the paper speed to 50 mm/second
58
What describes the pattern of the anticipated QRS complex in lead V4 for a healthy adult?
Biphasic
59
What action should be taken to reduce artifacts when preparing for Holter monitor placement?
Use stress loops on the electrodes to reduce tension on the leads.
60
What statement indicates a patient understands preparation for an exercise stress test?
"I can smoke the night before the exam."
61
What should be checked if all waveforms are negative in lead I?
Check the cable connections for the right arm and left arm.
62
What should be done first if a depressed ST segment is noted during an exercise stress test?
Discontinue the test.
63
What characterizes a sinus rhythm?
Upright P waves, narrow QRS complexes, and a ventricular rate between 60 and 100/min.
64
What action should be taken to resolve a wandering baseline on an EKG tracing?
Relieve tension from the lead wires.
65
What is the purpose of the Purkinje fibers?
Carry electrical impulses directly to ventricular muscle tissue.
66
What should be checked immediately after attaching telemetry lead wires to electrodes?
Check the wire colors and identifications to ensure attachment to the correct electrodes.
67
What is the order for documenting a patient's vital signs?
Temperature, pulse, respirations, and blood pressure.

EKG (1 decks)

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