Podcast
Questions and Answers
What should a technician anticipate when a patient is grabbing their chest and reporting chest pain during an EKG preparation?
What should a technician anticipate when a patient is grabbing their chest and reporting chest pain during an EKG preparation?
- Bradycardia
- Pulmonary compromise
- Diabetes
- Cardiac compromise (correct)
What is the most likely cause of an EKG tracing that slopes up and down the graph paper?
What is the most likely cause of an EKG tracing that slopes up and down the graph paper?
- Improper grounding
- Somatic tremor artifact
- Wandering baseline artifact (correct)
- Involuntary movement
What information must a technician document in a patient's electronic medical record regarding an EKG?
What information must a technician document in a patient's electronic medical record regarding an EKG?
- Confirmation patient is NPO
- Patient's emergency contact
- Exam room location
- Date and time of the EKG (correct)
What is asystole?
What is asystole?
Where should a technician place a lead on a patient with a right amputation?
Where should a technician place a lead on a patient with a right amputation?
Which lead allows the technician to view the patient's anterior wall of the left ventricle?
Which lead allows the technician to view the patient's anterior wall of the left ventricle?
What is the amplitude of the standard calibration mark on an EKG machine?
What is the amplitude of the standard calibration mark on an EKG machine?
What is the typical duration of a P-R interval?
What is the typical duration of a P-R interval?
What should an EKG technician instruct a patient to document in the diary when using a Holter monitor?
What should an EKG technician instruct a patient to document in the diary when using a Holter monitor?
What should an EKG technician do to increase the amplitude of very small waves on a 12-lead recording?
What should an EKG technician do to increase the amplitude of very small waves on a 12-lead recording?
What is the purpose of the standard calibration mark on an EKG machine?
What is the purpose of the standard calibration mark on an EKG machine?
Why should an EKG technician instruct a patient to avoid physical activities while wearing a Holter monitor?
Why should an EKG technician instruct a patient to avoid physical activities while wearing a Holter monitor?
Study Notes
EKG Machine Calibration
- A standard calibration mark on an EKG machine should have an amplitude of 10 small boxes.
P-R Interval
- A typical P-R interval is between 0.12 to 0.2 seconds.
Holter Monitor Use
- When instructing a patient about Holter monitor use, the technician should emphasize the importance of documenting symptoms in the diary provided.
Increasing Amplitude on 12-Lead Recording
- To increase the amplitude of very small waves on a 12-lead recording, the EKG technician should increase the gain of the machine.
Patient Preparation for EKG
- If a patient is experiencing chest pain, the technician should anticipate cardiac compromise.
- A patient with a heart rate of 75/min and chest pain may have cardiac compromise.
EKG Tracing Artifacts
- If an EKG tracing slopes up and down the graph paper, it is likely due to a wandering baseline artifact.
EKG Documentation
- The technician should document the date and time of the EKG in the patient's electronic medical record.
Absence of Electrical Activity
- Asystole is described as the absence of electrical activity in the heart.
Placement of Leads on Amputees
- When performing an EKG on a patient with a right amputation, the technician should place a lead over the right clavicle.
- The technician should not place leads directly over V1 and V2, on the left arm, or on the right deltoid.
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Description
Test your knowledge of EKG machine calibration and P-R interval duration in this short quiz.
