EKG national exam QUESTION WITH WELL VERIFIED
ANSWERS
when the heart goes down to 40-60 beats per minute where is the impulse generated ? -
answer☑️✔️..usually in the AV Node
which blood vessel leaves the heart and carries to all parts of the body? - answer☑️✔️..Aorta
when measuring the height of peaks in an EKG what number does each large square represent?
- answer☑️✔️..5 millimeters by 5 millimeters
each small square in an EKG is? - answer☑️✔️..0.04 seconds
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
if the ventricles are in the systole phase what is happening? - answer☑️✔️..they are pumping
the blood out of the chamber by contraction
what is the membrane inclosing the heart? - answer☑️✔️..it is the pericardial sac
what are the pericardial leads? - answer☑️✔️..they are chest leads
normal standard is? - answer☑️✔️..10 millimeters
what are leads? - answer☑️✔️..they are the colored wires that are put on a patients limbs
,what is AVL ? - answer☑️✔️..AVL is the difference in the hearts voltage
what is AVF? - answer☑️✔️..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? - answer☑️✔️..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? - answer☑️✔️..it is changes in breathing
what does the term systole mean? - answer☑️✔️..flatline (death)
what is a heart murmur? - answer☑️✔️..a heart murmur is the sound of a faulty action when
the valves close
what is ischemia - answer☑️✔️..it is death to an area of the heart
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
what does MI stand for? - answer☑️✔️..MI stands for a myocardial infarction
what is one of the major causes of heart failure? - answer☑️✔️..one of the major causes of
heart failure is untreated blood pressure
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
, what is a major atherosclerosis - answer☑️✔️..it is the buildup of fat deposits on the walls of
the arteries leading to coronary arteries
who invented the electrocardiograph? - answer☑️✔️..Willem Einthoven and he is a Dutch
Physiologist
what is the inner layer of the heart called? - answer☑️✔️..endocardium
in what year was the first electrocardiogram introduced in the united states ? -
answer☑️✔️..1909
the heart is composed of four chambers that are ? - answer☑️✔️..hollow
what is the internal pacemaker of the heart ? - answer☑️✔️..SA Node
the lower pumping chambers of the heart are called? - answer☑️✔️..ventricles
what happens when the atria contracts? - answer☑️✔️..the ventricles fill
the upper pumping chambers of the heart are called? - answer☑️✔️..the atria
where is the AV bundle located? - answer☑️✔️..it is located at the top of the septum
where is the heart located? - answer☑️✔️..it is located in the center of the chest (more
towards the left)
ANSWERS
when the heart goes down to 40-60 beats per minute where is the impulse generated ? -
answer☑️✔️..usually in the AV Node
which blood vessel leaves the heart and carries to all parts of the body? - answer☑️✔️..Aorta
when measuring the height of peaks in an EKG what number does each large square represent?
- answer☑️✔️..5 millimeters by 5 millimeters
each small square in an EKG is? - answer☑️✔️..0.04 seconds
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
if the ventricles are in the systole phase what is happening? - answer☑️✔️..they are pumping
the blood out of the chamber by contraction
what is the membrane inclosing the heart? - answer☑️✔️..it is the pericardial sac
what are the pericardial leads? - answer☑️✔️..they are chest leads
normal standard is? - answer☑️✔️..10 millimeters
what are leads? - answer☑️✔️..they are the colored wires that are put on a patients limbs
,what is AVL ? - answer☑️✔️..AVL is the difference in the hearts voltage
what is AVF? - answer☑️✔️..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? - answer☑️✔️..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? - answer☑️✔️..it is changes in breathing
what does the term systole mean? - answer☑️✔️..flatline (death)
what is a heart murmur? - answer☑️✔️..a heart murmur is the sound of a faulty action when
the valves close
what is ischemia - answer☑️✔️..it is death to an area of the heart
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
what does MI stand for? - answer☑️✔️..MI stands for a myocardial infarction
what is one of the major causes of heart failure? - answer☑️✔️..one of the major causes of
heart failure is untreated blood pressure
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
, what is a major atherosclerosis - answer☑️✔️..it is the buildup of fat deposits on the walls of
the arteries leading to coronary arteries
who invented the electrocardiograph? - answer☑️✔️..Willem Einthoven and he is a Dutch
Physiologist
what is the inner layer of the heart called? - answer☑️✔️..endocardium
in what year was the first electrocardiogram introduced in the united states ? -
answer☑️✔️..1909
the heart is composed of four chambers that are ? - answer☑️✔️..hollow
what is the internal pacemaker of the heart ? - answer☑️✔️..SA Node
the lower pumping chambers of the heart are called? - answer☑️✔️..ventricles
what happens when the atria contracts? - answer☑️✔️..the ventricles fill
the upper pumping chambers of the heart are called? - answer☑️✔️..the atria
where is the AV bundle located? - answer☑️✔️..it is located at the top of the septum
where is the heart located? - answer☑️✔️..it is located in the center of the chest (more
towards the left)
