EKG stands for ( correct answers ) electrocardiogram
What dumps into the RA ( correct answers ) Superior and
inferior vena cava, coronary sinus
What dumps into the LA ( correct answers ) Pulmonary veins
What valves open during systole? ( correct answers ) aortic and
pulmonary What valves open during diastole ( correct answers )
mitral and tricuspid Depolarization ( correct answers )
contraction/excitation
Repolarization ( correct answers ) Relaxing
SA node ( correct answers ) pacemaker of the
heart SA node firing rate ( correct answers )
60-100 bpm
Bachmanns bundle ( correct answers ) Spreads electricity to the
LA Internodal pathways ( correct answers ) Spreads
electricity around the RA
AV node ( correct answers ) Slows electrical impulses to allow electricity
from atria into ventricles
AV node slows down for how long? ( correct answers ) .04
seconds AV node firing rate ( correct answers ) 40-60
bpm
Bundle of his ( correct answers ) Tract of tissue extending into the
GRADED
ventricles
A+
next to the IVC, sends electrical impulses through ventricles.
Bundle divides into right and left bundle branches.
Name the bundle branches ( correct answers ) Left bundle branch-
left posterior fascicle, left anterior fascicle. Right bundle branch.
, Purkinje Fibers ( correct answers ) Extend from the bundle branches
into the endocardium deep into the myocardial tissue. The conduct
rapid impulses into the muscle.
What us the fastest conduction area? ( correct answers )
Purkinje Fibers Purkinje Fibers (back up pacemaker) firing rate
( correct answers ) 20-40 bpm
Another term for Purkinje fibers as a backup pacemaker ( correct
answers ) Junctional ventricular escape rhythm.
Name all escape pacemakers ( correct answers ) AV node, Ventricles
(Purkinje fibers)
99 percent of heart cells are muscle cells and one percent is..
( correct answers ) Specialized conduction cells
All myocardial cells have ability to initiate a pulse true or false? ( correct
answers ) True
Is AV node and junction the same thing ( correct answers ) Yes
Another word for slow filling ( correct answers ) Passive filling diastasis
Phases of diastole ( correct answers ) isovolumetric relaxation, rapid
filling phase, slow filling or diastasis, final filling (Atrial kick) contraction
Types of ECG paper ( correct answers ) Vertical axis
and Horizontal axis Most common type of ECG paper
( correct answers ) Horizontal
Vertical axis ECG paper boxes sizes ( correct answers ) Each small
box is equal to 1mm and each large box is equal to 5mm
Horizontal axis ECG paper boxes time ( correct answers ) Each large
box is equal to
.20 seconds and each small box is equal to .04 seconds
How many small boxes across and down makes a large box on ECG paper
( correct answers ) 5
Standard ECG paper speed ( correct answers ) 25
GRADED
A+
mm/sec MM/SEC ( correct answers )
millimeters per second
What dumps into the RA ( correct answers ) Superior and
inferior vena cava, coronary sinus
What dumps into the LA ( correct answers ) Pulmonary veins
What valves open during systole? ( correct answers ) aortic and
pulmonary What valves open during diastole ( correct answers )
mitral and tricuspid Depolarization ( correct answers )
contraction/excitation
Repolarization ( correct answers ) Relaxing
SA node ( correct answers ) pacemaker of the
heart SA node firing rate ( correct answers )
60-100 bpm
Bachmanns bundle ( correct answers ) Spreads electricity to the
LA Internodal pathways ( correct answers ) Spreads
electricity around the RA
AV node ( correct answers ) Slows electrical impulses to allow electricity
from atria into ventricles
AV node slows down for how long? ( correct answers ) .04
seconds AV node firing rate ( correct answers ) 40-60
bpm
Bundle of his ( correct answers ) Tract of tissue extending into the
GRADED
ventricles
A+
next to the IVC, sends electrical impulses through ventricles.
Bundle divides into right and left bundle branches.
Name the bundle branches ( correct answers ) Left bundle branch-
left posterior fascicle, left anterior fascicle. Right bundle branch.
, Purkinje Fibers ( correct answers ) Extend from the bundle branches
into the endocardium deep into the myocardial tissue. The conduct
rapid impulses into the muscle.
What us the fastest conduction area? ( correct answers )
Purkinje Fibers Purkinje Fibers (back up pacemaker) firing rate
( correct answers ) 20-40 bpm
Another term for Purkinje fibers as a backup pacemaker ( correct
answers ) Junctional ventricular escape rhythm.
Name all escape pacemakers ( correct answers ) AV node, Ventricles
(Purkinje fibers)
99 percent of heart cells are muscle cells and one percent is..
( correct answers ) Specialized conduction cells
All myocardial cells have ability to initiate a pulse true or false? ( correct
answers ) True
Is AV node and junction the same thing ( correct answers ) Yes
Another word for slow filling ( correct answers ) Passive filling diastasis
Phases of diastole ( correct answers ) isovolumetric relaxation, rapid
filling phase, slow filling or diastasis, final filling (Atrial kick) contraction
Types of ECG paper ( correct answers ) Vertical axis
and Horizontal axis Most common type of ECG paper
( correct answers ) Horizontal
Vertical axis ECG paper boxes sizes ( correct answers ) Each small
box is equal to 1mm and each large box is equal to 5mm
Horizontal axis ECG paper boxes time ( correct answers ) Each large
box is equal to
.20 seconds and each small box is equal to .04 seconds
How many small boxes across and down makes a large box on ECG paper
( correct answers ) 5
Standard ECG paper speed ( correct answers ) 25
GRADED
A+
mm/sec MM/SEC ( correct answers )
millimeters per second
