EKG FINAL EXAM REVIEW
EXPECTED QUESTIONS WITH VERIFIED ANSWERS
Question 1.
How can cardiac output
ANSWER
be calculated? Stroke volume multiplied by heart rate
Question 2.
Briefly explain the diac cells.
ANSWER
Excitability properties of car- Ability of the cells to respond to electrical stimulation
Question 3.
What node is the natural erates 60-100 bpm?
ANSWER
pacemaker that gen- Sino Arial (SA) Node
Question 4.
The EKG Technician leads to the chest limb to obtain a 12
ANSWER
would place how many 6 electrodes to the chest and 4 elecand how many leads to the trodes
to the limbs lead EKG?
Question 5.
Lead 3 is what kind
ANSWER
of lead? Bi-polar lead
Question 6.
What electrodes do Lead II?
ANSWER
you combine to form a LL and RA
,Question 7.
Where are the V4 a 12 lead EKG?
ANSWER
and V2 electrodes placed, on 5th intercostal space at left midclavicular line and 4th intercostal
space to left of sternum.
Question 8.
Which wave represents tion?
ANSWER
Ventricular Repolariza- T wave
Question 9.
On a EKG graph, which Depolarization?
ANSWER
wave represents Atrial P Wave
Question 10.
What is a normal P-R
ANSWER
Interval 0.12-0.20 msec
Question 11.
Describe a 3rd degree
ANSWER
(Complete) heart block? No association between P waves and QRS complexes
, Question 12.
Describe what a loose an EKG graph
ANSWER
electrode looks like on Loose electrode: Artifact caused by insufficeient contact between the
electrode and the skin
Question 13.
What is the diagram
ANSWER
representing? Sinus rhythm with a wondering baseline (Movement; poor electrode contact;
Breathing)
EXPECTED QUESTIONS WITH VERIFIED ANSWERS
Question 1.
How can cardiac output
ANSWER
be calculated? Stroke volume multiplied by heart rate
Question 2.
Briefly explain the diac cells.
ANSWER
Excitability properties of car- Ability of the cells to respond to electrical stimulation
Question 3.
What node is the natural erates 60-100 bpm?
ANSWER
pacemaker that gen- Sino Arial (SA) Node
Question 4.
The EKG Technician leads to the chest limb to obtain a 12
ANSWER
would place how many 6 electrodes to the chest and 4 elecand how many leads to the trodes
to the limbs lead EKG?
Question 5.
Lead 3 is what kind
ANSWER
of lead? Bi-polar lead
Question 6.
What electrodes do Lead II?
ANSWER
you combine to form a LL and RA
,Question 7.
Where are the V4 a 12 lead EKG?
ANSWER
and V2 electrodes placed, on 5th intercostal space at left midclavicular line and 4th intercostal
space to left of sternum.
Question 8.
Which wave represents tion?
ANSWER
Ventricular Repolariza- T wave
Question 9.
On a EKG graph, which Depolarization?
ANSWER
wave represents Atrial P Wave
Question 10.
What is a normal P-R
ANSWER
Interval 0.12-0.20 msec
Question 11.
Describe a 3rd degree
ANSWER
(Complete) heart block? No association between P waves and QRS complexes
, Question 12.
Describe what a loose an EKG graph
ANSWER
electrode looks like on Loose electrode: Artifact caused by insufficeient contact between the
electrode and the skin
Question 13.
What is the diagram
ANSWER
representing? Sinus rhythm with a wondering baseline (Movement; poor electrode contact;
Breathing)
