EKG Final Exam Review | Graded A+
How can cardiac output be calculated? Correct Answer: Stroke volume multiplied by heart rate
Briefly explain the Excitability properties of cardiac cells. Correct Answer: Ability of the cells to respond to electrical stimulation
What node is the natural ...
briefly explain the excitability properties of cardiac cells
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EKG Final Exam Review | Graded A+
How can cardiac output be calculated? Correct Answer: Stroke volume multiplied by heart rate
Briefly explain the Excitability properties of cardiac cells. Correct Answer: Ability of the cells to respond
to electrical stimulation
What node is the natural pacemaker that generates 60-100 bpm? Correct Answer: Sino Arial (SA) Node
The EKG Technician would place how many leads to the chest and how many leads to the limb to obtain
a 12 lead EKG? Correct Answer: 6 electrodes to the chest and 4 electrodes to the limbs
Lead 3 is what kind of lead? Correct Answer: Bi-polar lead
What electrodes do you combine to form a Lead II? Correct Answer: LL and RA
Where are the V4 and V2 electrodes placed, on a 12 lead EKG? Correct Answer: 5th intercostal space at
left midclavicular line and 4th intercostal space to left of sternum.
Which wave represents Ventricular Repolarization? Correct Answer: T wave
On a EKG graph, which wave represents Atrial Depolarization? Correct Answer: P Wave
What is a normal P-R Interval Correct Answer: 0.12-0.20 msec
Describe a 3rd degree (Complete) heart block? Correct Answer: No association between P waves and
QRS complexes
Describe what a loose electrode looks like on an EKG graph Correct Answer: Loose electrode: Artifact
caused by insufficeient contact between the electrode and the skin
What is the diagram representing? Correct Answer: Sinus rhythm with a wondering baseline
(Movement; poor electrode contact; Breathing)
How many BPM is the following EKG representing? Correct Answer: 75 BPM
Showing professional telephone etiquette includes what? Correct Answer: Identifying yourself and your
department whenever placing or receiving a call.
How many electroleads are used in a 12 lead EKG? Correct Answer: 10 Electrodes
What would a "T" Wave inversion indicate on a EKG Graph? Correct Answer: Ischemia (Labeled a
NSTEMI; Non-ST Elevation Myocardial Infarction)
What would be the duration of one large box on a EKG Graph? Correct Answer: 0.20 seconds
, What is the normal paper speed from an EKG machine? Correct Answer: 25 mm/second
What would be the voltage of one large box on a vertical axis? Correct Answer: 0.5 millivolts
What is systole? Correct Answer: Contraction phase of heart muscle
Are Mitral and Bicuspid valves a pacemaker of the heart? Correct Answer: No
5 large boxes represent a heart rate of how many BPM on a 6 second strip of EKG? Correct Answer: 50
BPM
The V4R electrode on a right sided 12 lead EKG would be placed where? Correct Answer: 5th intercostal
space at right mid-clavicular line
What combination of electroleads form a Lead III? Correct Answer: LL and LA
On a left sided 12 lead EKG the V6 electrode will be located where? Correct Answer: Level with V3 at
mid-axillary line
On a right-sided 12 lead EKG what would be an appropriate location to place the V2 electrode? Correct
Answer: 4th intercostal space to right of sternum
Where would the V5 electrode be placed on a left sided 12 lead EKG? Correct Answer: Level with V3 at
left anterior axillary line
If a patient complains of extreme sharp pain in calf muscle during a stress test, what is this a indication
of? Correct Answer: Muscle soreness due to activity performed during the test.
Which electrodes can a telemetry monitoring device have to perform the procedure? Correct Answer:
RA, LL, LA, RL, V1
Which electrodes are most commonly selected for 3 Electrode EKG? Correct Answer: RA, RL, LL
Where would the V3 Electrode be place on a left sided 12 lead EKG? Correct Answer: Directly between
V2 and V4 electrode
The EKG machine records which activity of the heart during Holter Monitoring? Correct Answer:
Electrical activity of the heart
How do you calculate the heart rate max? Correct Answer: 220 minus age
What would the heart rate max of a 37 year old woman be? Correct Answer: 183
When is Bundle Branch Block represented? Correct Answer: The QRS complex is more than 0.10 second
with a notched appearance.
What would a significant Q Wave be a diagnostic indicator of? Correct Answer: Infarction
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