1
EKG National Exam Questions
with 100% Correct Answers Latest
Version Top Rated
when the heart goes down to 40-60 beats per minute where is
the impulse generated ?
usually in the AV Node
which blood vessel leaves the heart and carries to all parts of
the body?
Aorta
when measuring the height of peaks in an EKG what number
does each large square represent?
5 millimeters by 5 millimeters
each small square in an EKG is?
0.04 seconds
how can you calculate each heart rate of an EKG rate?
count the number of complete complexes in a 3 or 6 interval and
multiply by 20 or 10
if the ventricles are in the systole phase what is happening?
they are pumping the blood out of the chamber by contraction
what is the membrane inclosing the heart?
it is the pericardial sac
what are the pericardial leads?
they are chest leads
normal standard is?
10 millimeters
what are leads?
they are the colored wires that are put on a patients limbs
what is AVL ?
AVL is the difference in the hearts voltage
what is AVF?
, 2
AVF is the difference in the hearts voltage between the left leg
and midpoint between left leg and right arm
what does V1 through V6 record?
V1 through V6 records hearts voltage from the front to the back of
the heart, recorded from the central point of the heart
What is a sinus arrhythmia?
it is changes in breathing
what does the term systole mean?
flatline (death)
what is a heart murmur?
a heart murmur is the sound of a faulty action when the valves
close
what is ischemia
it is death to an area of the heart
when someone feels pain in the heart its because?
when someone feels pain in the heart it is because inadequate
blood flow to the heart muscle
what does MI stand for?
MI stands for a myocardial infarction
what is one of the major causes of heart failure?
one of the major causes of heart failure is untreated blood
pressure
What is a myocardial infarction?
a myocardial infarction is when the myocardial tissue suffers
death to an area because of insufficient heart blood flow
what is a major atherosclerosis
it is the buildup of fat deposits on the walls of the arteries leading
to coronary arteries
who invented the electrocardiograph?
Willem Einthoven and he is a Dutch Physiologist
what is the inner layer of the heart called?
endocardium
in what year was the first electrocardiogram introduced in
the united states ?
1909
EKG National Exam Questions
with 100% Correct Answers Latest
Version Top Rated
when the heart goes down to 40-60 beats per minute where is
the impulse generated ?
usually in the AV Node
which blood vessel leaves the heart and carries to all parts of
the body?
Aorta
when measuring the height of peaks in an EKG what number
does each large square represent?
5 millimeters by 5 millimeters
each small square in an EKG is?
0.04 seconds
how can you calculate each heart rate of an EKG rate?
count the number of complete complexes in a 3 or 6 interval and
multiply by 20 or 10
if the ventricles are in the systole phase what is happening?
they are pumping the blood out of the chamber by contraction
what is the membrane inclosing the heart?
it is the pericardial sac
what are the pericardial leads?
they are chest leads
normal standard is?
10 millimeters
what are leads?
they are the colored wires that are put on a patients limbs
what is AVL ?
AVL is the difference in the hearts voltage
what is AVF?
, 2
AVF is the difference in the hearts voltage between the left leg
and midpoint between left leg and right arm
what does V1 through V6 record?
V1 through V6 records hearts voltage from the front to the back of
the heart, recorded from the central point of the heart
What is a sinus arrhythmia?
it is changes in breathing
what does the term systole mean?
flatline (death)
what is a heart murmur?
a heart murmur is the sound of a faulty action when the valves
close
what is ischemia
it is death to an area of the heart
when someone feels pain in the heart its because?
when someone feels pain in the heart it is because inadequate
blood flow to the heart muscle
what does MI stand for?
MI stands for a myocardial infarction
what is one of the major causes of heart failure?
one of the major causes of heart failure is untreated blood
pressure
What is a myocardial infarction?
a myocardial infarction is when the myocardial tissue suffers
death to an area because of insufficient heart blood flow
what is a major atherosclerosis
it is the buildup of fat deposits on the walls of the arteries leading
to coronary arteries
who invented the electrocardiograph?
Willem Einthoven and he is a Dutch Physiologist
what is the inner layer of the heart called?
endocardium
in what year was the first electrocardiogram introduced in
the united states ?
1909