Definitions
What is EKG?
Written record or tracing produced by the electrocardiograph machine.
What is pericardium?
A double membrane, or sac, that covers the outside of the heart.
An EKG tech releases information about a patient diagnosis to the patient's employer. Which of the following patient's rights was violated?
HIPPA or Patient Confidentiality
What is the term for heart rate of less than 60 beats per minute?
Sinus bradycardia
What is the normal paper speed for an ECG tracing?
25mm per second
What is medical asepsis?
Practice designed to reduce the number and transfer of pathogens, as well as break the chain of infection.
The heart is separated into right and left sides by a thick muscular wall. What is it called?
Septum
During a stress test an EKG technician notices the patient to be hyperventilating. Which of the following is an appropriate course of action for the technician?
Check Respiratory rate
Which of the following waves should an EKG tech measure to evaluate for atrial depolarization?
P wave
Where do we place V4 during EKG?
Fifth intercostal space; midclavicular line
What are the wires called that conduct electrical impulses from electrodes to an EKG machine?
Leads
Where is tricuspid valve located in the heart?
It is located on the right side of heart; between right ventricle and right atrium
A patient loses consciousness. The EKG tracing reveals ventricular fibrillation. Which of the following should the EKG technician do first?
Call for help and begin CPR
Which of these arrhythmias will result in death without immediate treatment?
Ventricular Fibrillation
If ECG artifacts are seen on Leads I and II, what is the likely source of interference?
Right arm electrode
The stiffening of blood vessels due to fatty plaque buildup
Atherosclerosis
Which of these tissues is known as the body's "natural pacemaker?"
SA node
An EKG tech is preparing a patient for the application of a holter monitor. The patient tells the tech she runs 5 miles each day. Which of the following responses should the tech make?
a) Continue to maintain routine
B) stop any physical activity
c) ask her to run more
A) continue to maintain routine
While performing an exercise stress test on a patient, a tech observes elevated ST segment. The tech should identify these finding as which of the following?
Signs of acute myocardial injury
Electrical activity of the septal wall is recorded by which of the following leads?
Lead 1 and 2
What is cardiac arrest?
When the heart stops beating unexpectedly
What is the flow of blood between the heart and the lungs is called?
Pulmonary circulation
When performing the EKG, the tech notices that none of the leads are giving a reading. Which limb should the tech check first to correct the problem?
Right leg
What does PR segment represents?
The time between the end of atrial contraction and beginning of ventricular contraction.
Name the four types of artifacts?
Wandering baseline, somatic tremor, AC interference, and interrupted baseline.