QUIZ 5: EKGs

A patient care technician is preparing a patient for an EKG. Which of the following actions should the technician take?

• Request that the patient pull their shirt up.

• Allow the patient to wear a bracelet.

• Ask the patient to turn off any electronic devices.

• Inform the patient to expect minor shocks.

A patient care technician is obtaining an EKG from a patient who reports chest pain. Which of the following changes in a waveform is an indication of a myocardial infarction and report to the nurse immediately?

• A. Upright T waves

• B. Q waves less than one-third the height of the R wave

• C. P wave inversion

• D. ST segment elevation

A patient care technician is performing a right-sided 12-lead EKG. For which of the following conditions will a provider request a right-sided EKG?

• Atrial fibrillation

• Myocardial infarction

• Tachycardia

• Dextrocardia

In which of the following locations should a patient care technician place the V5 lead?

• At the fourth intercostal space, to the right of the sternal border

• Halfway between V2 and V4

• At the anterior axillary line on the same horizontal level as V4

• At the fifth intercostal space at the midclavicular line

A patient care technician is caring for a patient who is experiencing cardiopulmonary compromise. Which of the following structures of the cardiac conduction system initiates the heartbeat?

• Bundle of His

• Sinoatrial node (SA node)

• Atrioventricular node (AV node)

• Purkinje fibers

A patient care technician identifies P waves are present, but there are missing QRS complexes on a patient's EKG tracing. Which of the following actions should the technician take first?

• Measure the patient's vital signs.

• Report the rhythm to the nurse.

• Repeat the EKG.

• Prepare to initiate cardiopulmonary resuscitation.

A patient care technician is planning to clean EKG equipment. Which of following actions should the technician plan to take?

• Wipe the equipment with a soft cloth moistened with acetone.

• Prepare the equipment to undergo fluid sterilization.

• Wipe the equipment with a soft cloth moistened with disinfectant.

• Prepare the equipment to undergo heat sterilization.

A patient care technician should identify that which of the following is the standard paper speed for a 12-lead EKG?

• 5 mm/sec

• 10 mm/sec

• 25 mm/sec

• 50 mm/sec

A patient care technician is providing instructions to a patient who is about to undergo an EKG. Which of the following statements should the technician make?

• You should empty your bladder prior to the test.

• You will receive the results from me after the test is complete.

• You should put your hospital gown on with the opening in the back.

• You should increase your heart rate before the test by completing a high-intensity workout.

Which of the following artifacts is present in the tracing below?

• Wandering baseline

• Somatic tremor

• AC interference

• Interrupted baseline