EKG FINAL EXAM REVIEW NEWA 2022 STUDY GUIDE SOLUTION 2022
How can cardiac output be calculated? - ANS IS Stroke volume multiplied by heart rate
Briefly explain the Excitability properties of cardiac cells. - ANS IS Ability of the cells to respond to electrical
stimulation
What node is the natural pacemaker that generates 60-100 bpm? - ANS IS 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? - ANS IS 6 electrodes to the chest and 4 electrodes to the limbs
Lead 3 is what kind of lead? - ANS IS Bi-polar lead
What electrodes do you combine to form a Lead II? - ANS IS LL and RA
Where are the V4 and V2 electrodes placed, on a 12 lead EKG? - ANS IS 5th intercostal space at left midclavicular
line and 4th intercostal space to left of sternum.
Which wave represents Ventricular Repolarization? - ANS IS T wave
On a EKG graph, which wave represents Atrial Depolarization? - ANS IS P Wave
What is a normal P-R Interval - ANS IS 0.12-0.20 msec
Describe a 3rd degree (Complete) heart block? - ANS IS No association between P waves and QRS complexes
Describe what a loose electrode looks like on an EKG graph - ANS IS Loose electrode: Artifact caused by
insufficeient contact between the electrode and the skin
What is the diagram representing? - ANS IS Sinus rhythm with a wondering baseline (Movement; poor electrode
contact; Breathing)
, How many BPM is the following EKG representing? - ANS IS 75 BPM
Showing professional telephone etiquette includes what? - ANS IS Identifying yourself and your department
whenever placing or receiving a call.
How many electroleads are used in a 12 lead EKG? - ANS IS 10 Electrodes
What would a "T" Wave inversion indicate on a EKG Graph? - ANS IS Ischemia (Labeled a NSTEMI; Non-ST
Elevation Myocardial Infarction)
What would be the duration of one large box on a EKG Graph? - ANS IS 0.20 seconds
What is the normal paper speed from an EKG machine? - ANS IS 25 mm/second
What would be the voltage of one large box on a vertical axis? - ANS IS 0.5 millivolts
What is systole? - ANS IS Contraction phase of heart muscle
Are Mitral and Bicuspid valves a pacemaker of the heart? - ANS IS No
5 large boxes represent a heart rate of how many BPM on a 6 second strip of EKG? - ANS IS 50 BPM
The V4R electrode on a right sided 12 lead EKG would be placed where? - ANS IS 5th intercostal space at right mid-
clavicular line
What combination of electroleads form a Lead III? - ANS IS LL and LA
On a left sided 12 lead EKG the V6 electrode will be located where? - ANS IS 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? - ANS IS 4th
intercostal space to right of sternum
How can cardiac output be calculated? - ANS IS Stroke volume multiplied by heart rate
Briefly explain the Excitability properties of cardiac cells. - ANS IS Ability of the cells to respond to electrical
stimulation
What node is the natural pacemaker that generates 60-100 bpm? - ANS IS 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? - ANS IS 6 electrodes to the chest and 4 electrodes to the limbs
Lead 3 is what kind of lead? - ANS IS Bi-polar lead
What electrodes do you combine to form a Lead II? - ANS IS LL and RA
Where are the V4 and V2 electrodes placed, on a 12 lead EKG? - ANS IS 5th intercostal space at left midclavicular
line and 4th intercostal space to left of sternum.
Which wave represents Ventricular Repolarization? - ANS IS T wave
On a EKG graph, which wave represents Atrial Depolarization? - ANS IS P Wave
What is a normal P-R Interval - ANS IS 0.12-0.20 msec
Describe a 3rd degree (Complete) heart block? - ANS IS No association between P waves and QRS complexes
Describe what a loose electrode looks like on an EKG graph - ANS IS Loose electrode: Artifact caused by
insufficeient contact between the electrode and the skin
What is the diagram representing? - ANS IS Sinus rhythm with a wondering baseline (Movement; poor electrode
contact; Breathing)
, How many BPM is the following EKG representing? - ANS IS 75 BPM
Showing professional telephone etiquette includes what? - ANS IS Identifying yourself and your department
whenever placing or receiving a call.
How many electroleads are used in a 12 lead EKG? - ANS IS 10 Electrodes
What would a "T" Wave inversion indicate on a EKG Graph? - ANS IS Ischemia (Labeled a NSTEMI; Non-ST
Elevation Myocardial Infarction)
What would be the duration of one large box on a EKG Graph? - ANS IS 0.20 seconds
What is the normal paper speed from an EKG machine? - ANS IS 25 mm/second
What would be the voltage of one large box on a vertical axis? - ANS IS 0.5 millivolts
What is systole? - ANS IS Contraction phase of heart muscle
Are Mitral and Bicuspid valves a pacemaker of the heart? - ANS IS No
5 large boxes represent a heart rate of how many BPM on a 6 second strip of EKG? - ANS IS 50 BPM
The V4R electrode on a right sided 12 lead EKG would be placed where? - ANS IS 5th intercostal space at right mid-
clavicular line
What combination of electroleads form a Lead III? - ANS IS LL and LA
On a left sided 12 lead EKG the V6 electrode will be located where? - ANS IS 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? - ANS IS 4th
intercostal space to right of sternum
