BSMH Advanced Arrhythmia |\ |\ |\
Course QUESTIONS WITH |\ |\ |\
ANSWERS
blood flow from body through the heart
|\ |\ |\ |\ |\ |\
superior and inferior vena cava > right atrium > tricuspid valve
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
> right ventricle > pulmonic valve > pulmonary artery > lungs >
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
pulmonary veins > left atrium > mitral valve > left ventricle >
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
aortic valve > aorta > body
|\ |\ |\ |\ |\
SA node bpm
|\ |\
60-100
AV node bpm
|\ |\
40-60
purkinje fibers bpm |\ |\
20-40
ekg paper: small square = ________ second
|\ |\ |\ |\ |\ |\
0.04
ekg paper: small square = _____ mm
|\ |\ |\ |\ |\ |\
1
ekg paper: larger square = ________ second
|\ |\ |\ |\ |\ |\
0.20
ekg paper: larger square = ______ mm
|\ |\ |\ |\ |\ |\
5
, how is voltage measured on an ekg strip?
|\ |\ |\ |\ |\ |\ |\
along the vertical axis; 10 mm is 1 MV
|\ |\ |\ |\ |\ |\ |\ |\
15 larger boxes is how many seconds?
|\ |\ |\ |\ |\ |\
3
30 larger boxes is how many seconds?
|\ |\ |\ |\ |\ |\
6
what does the P wave show? |\ |\ |\ |\ |\
atrial depolarization (contraction); indicates the impulse
|\ |\ |\ |\ |\ |\
originated in the SA node, atria, or AV junction |\ |\ |\ |\ |\ |\ |\ |\
P wave characteristics
|\ |\
1st waveform on tracing, normally smooth and rounded, upright
|\ |\ |\ |\ |\ |\ |\ |\ |\
in lead 2, precedes QRS
|\ |\ |\ |\
PR interval |\
0.12-0.20 seconds measured from beginning of P to beginning of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
QRS
what does a PR interval longer than 0.20 imply?
|\ |\ |\ |\ |\ |\ |\ |\
heart block |\
what does the QRS complex show?
|\ |\ |\ |\ |\
ventricular depolarization and atrial repolarization |\ |\ |\ |\
what is bundle branch block? |\ |\ |\ |\
obstruction in one of the branches of the bundle of his so the |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
QRS is wider and more than 0.12 seconds
|\ |\ |\ |\ |\ |\ |\
nurse actions for a bundle branch block
|\ |\ |\ |\ |\ |\
place patient on oxygen, call the physician, call rapid response if
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
needed, obtain an EKG to determine if left or right
|\ |\ |\ |\ |\ |\ |\ |\ |\
QRS characteristics |\
Course QUESTIONS WITH |\ |\ |\
ANSWERS
blood flow from body through the heart
|\ |\ |\ |\ |\ |\
superior and inferior vena cava > right atrium > tricuspid valve
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
> right ventricle > pulmonic valve > pulmonary artery > lungs >
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
pulmonary veins > left atrium > mitral valve > left ventricle >
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
aortic valve > aorta > body
|\ |\ |\ |\ |\
SA node bpm
|\ |\
60-100
AV node bpm
|\ |\
40-60
purkinje fibers bpm |\ |\
20-40
ekg paper: small square = ________ second
|\ |\ |\ |\ |\ |\
0.04
ekg paper: small square = _____ mm
|\ |\ |\ |\ |\ |\
1
ekg paper: larger square = ________ second
|\ |\ |\ |\ |\ |\
0.20
ekg paper: larger square = ______ mm
|\ |\ |\ |\ |\ |\
5
, how is voltage measured on an ekg strip?
|\ |\ |\ |\ |\ |\ |\
along the vertical axis; 10 mm is 1 MV
|\ |\ |\ |\ |\ |\ |\ |\
15 larger boxes is how many seconds?
|\ |\ |\ |\ |\ |\
3
30 larger boxes is how many seconds?
|\ |\ |\ |\ |\ |\
6
what does the P wave show? |\ |\ |\ |\ |\
atrial depolarization (contraction); indicates the impulse
|\ |\ |\ |\ |\ |\
originated in the SA node, atria, or AV junction |\ |\ |\ |\ |\ |\ |\ |\
P wave characteristics
|\ |\
1st waveform on tracing, normally smooth and rounded, upright
|\ |\ |\ |\ |\ |\ |\ |\ |\
in lead 2, precedes QRS
|\ |\ |\ |\
PR interval |\
0.12-0.20 seconds measured from beginning of P to beginning of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
QRS
what does a PR interval longer than 0.20 imply?
|\ |\ |\ |\ |\ |\ |\ |\
heart block |\
what does the QRS complex show?
|\ |\ |\ |\ |\
ventricular depolarization and atrial repolarization |\ |\ |\ |\
what is bundle branch block? |\ |\ |\ |\
obstruction in one of the branches of the bundle of his so the |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
QRS is wider and more than 0.12 seconds
|\ |\ |\ |\ |\ |\ |\
nurse actions for a bundle branch block
|\ |\ |\ |\ |\ |\
place patient on oxygen, call the physician, call rapid response if
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
needed, obtain an EKG to determine if left or right
|\ |\ |\ |\ |\ |\ |\ |\ |\
QRS characteristics |\
