EKG national exam
Question 1.
when the heart goes down to 40-60 beats per minute where is the impulse generated?
ANSWER
usually in the AV Node
Question 2.
which blood vessel leaves the heart and carries to all parts of the body?
ANSWER
Aorta
Question 3.
when measuring the height of peaks in an EKG what number does each large square represent?
ANSWER
5 millimeters by 5 millimeters
Question 4.
each small square in an EKG is?
ANSWER
0.04 seconds
Question 5.
how can you calculate each heart rate of an EKG rate?
ANSWER
count the number of complete complexes in a 3 or 6 interval and multiply by 20 or 10
Question 6.
if the ventricles are in the systole phase what is happening?
ANSWER
they are pumping the blood out of the chamber by contraction
Question 7.
what is the membrane inclosing the heart?
ANSWER
it is the pericardial sac
, Question 8.
what are the pericardial leads?
ANSWER
they are chest leads
Question 9.
normal standard is?
ANSWER
10 millimeters
Question 10.
what are leads?
ANSWER
they are the colored wires that are put on a patients limbs
Question 11.
what is AVL?
ANSWER
AVL is the difference in the hearts voltage
Question 12.
what is AVF?
ANSWER
AVF is the difference in the hearts voltage between the left leg and midpoint between left leg and right arm
Question 13.
what does V1 through V6 record?
ANSWER
V1 through V6 records hearts voltage from the front to the back of the heart, recorded from the central point of the heart
Question 14.
What is a sinus arrhythmia?
ANSWER
it is changes in breathing
Question 15.
what does the term systole mean?
ANSWER
flatline (death)
, Question 16.
what is a heart murmur?
ANSWER
a heart murmur is the sound of a faulty action when the valves close
Question 17.
what is ischemia
ANSWER
it is death to an area of the heart
Question 18.
when someone feels pain in the heart its because?
ANSWER
when someone feels pain in the heart it is because inadequate blood flow to the heart muscle
Question 19.
what does MI stand for?
ANSWER
MI stands for a myocardial infarction
Question 20.
what is one of the major causes of heart failure?
ANSWER
one of the major causes of heart failure is untreated blood pressure
Question 21.
What is a myocardial infarction?
ANSWER
a myocardial infarction is when the myocardial tissue suffers death to an area because of insufficient heart blood flow
Question 22.
what is a major atherosclerosis
ANSWER
it is the buildup of fat deposits on the walls of the arteries leading to coronary arteries
Question 23.
who invented the electrocardiograph?
ANSWER
Willem Einthoven and he is a Dutch Physiologist
Question 1.
when the heart goes down to 40-60 beats per minute where is the impulse generated?
ANSWER
usually in the AV Node
Question 2.
which blood vessel leaves the heart and carries to all parts of the body?
ANSWER
Aorta
Question 3.
when measuring the height of peaks in an EKG what number does each large square represent?
ANSWER
5 millimeters by 5 millimeters
Question 4.
each small square in an EKG is?
ANSWER
0.04 seconds
Question 5.
how can you calculate each heart rate of an EKG rate?
ANSWER
count the number of complete complexes in a 3 or 6 interval and multiply by 20 or 10
Question 6.
if the ventricles are in the systole phase what is happening?
ANSWER
they are pumping the blood out of the chamber by contraction
Question 7.
what is the membrane inclosing the heart?
ANSWER
it is the pericardial sac
, Question 8.
what are the pericardial leads?
ANSWER
they are chest leads
Question 9.
normal standard is?
ANSWER
10 millimeters
Question 10.
what are leads?
ANSWER
they are the colored wires that are put on a patients limbs
Question 11.
what is AVL?
ANSWER
AVL is the difference in the hearts voltage
Question 12.
what is AVF?
ANSWER
AVF is the difference in the hearts voltage between the left leg and midpoint between left leg and right arm
Question 13.
what does V1 through V6 record?
ANSWER
V1 through V6 records hearts voltage from the front to the back of the heart, recorded from the central point of the heart
Question 14.
What is a sinus arrhythmia?
ANSWER
it is changes in breathing
Question 15.
what does the term systole mean?
ANSWER
flatline (death)
, Question 16.
what is a heart murmur?
ANSWER
a heart murmur is the sound of a faulty action when the valves close
Question 17.
what is ischemia
ANSWER
it is death to an area of the heart
Question 18.
when someone feels pain in the heart its because?
ANSWER
when someone feels pain in the heart it is because inadequate blood flow to the heart muscle
Question 19.
what does MI stand for?
ANSWER
MI stands for a myocardial infarction
Question 20.
what is one of the major causes of heart failure?
ANSWER
one of the major causes of heart failure is untreated blood pressure
Question 21.
What is a myocardial infarction?
ANSWER
a myocardial infarction is when the myocardial tissue suffers death to an area because of insufficient heart blood flow
Question 22.
what is a major atherosclerosis
ANSWER
it is the buildup of fat deposits on the walls of the arteries leading to coronary arteries
Question 23.
who invented the electrocardiograph?
ANSWER
Willem Einthoven and he is a Dutch Physiologist
