Hoag EKG Exam Questions With Correct Answers
What is the primary pacemaker - ans-SA node
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How does electricity travel - ans-
xz xz xz xz xz
SA node to the AV down bundle of His and then right and left branches ending in purkinje
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
What occurs if the SA node is damaged - ans-AV node will initiate an electrical empulse
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What is AV node rate - ans-40-60
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What is the purkinje rate - ans-20-40
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what does the p wave represent - ans-atrial contraction and depolarization
xz xz xz xz xz xz xz xz xz xz
what does QRS represent - ans-ventricular contraction and depolatization
xz xz xz xz xz xz xz xz
what is the normal qrs interval - ans-0.04-0.12
xz xz xz xz xz xz xz
what does the t wave represent - ans-ventricular relaxation/repolarization
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how do you measure the PR interval? - ans-
xz xz xz xz xz xz xz xz
beginning of P wave to the beginning of QRS complex
xz xz xz xz xz xz xz xz xz
what is the normal PR interval - ans-0.12-0.20 seconds
xz xz xz xz xz xz xz xz
What is the QT interval? - ans-measured from beginning of QRS to the end of the T Wave
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
What is the normal QT interval? - ans-0.33-0.44 secinds
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one small box is equal to? - ans-0.04 seconds
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one large box is equal to - ans-0.2 seconds
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Ventricular Tachycardia - ans-wide/bizzare, monomorphic, rate 110-250
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Ventricular Fibrillation - ans-rapid chaotic no qrs no pulse
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idioventricular - ans-irregular wide bizarre QRS, slow rate, NO P WAVES xz xz xz xz xz xz xz xz xz xz
Asystole - ans-no electrical activity no heart rate no output
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1st degree heart block - ans-prolonged pr interval greater than 0.20 seconds
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2nd degree type 1 - ans-longer longer longer drop R-R is irregular due to a drop of QRS
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
What is the primary pacemaker - ans-SA node
xz xz xz xz xz xz xz
How does electricity travel - ans-
xz xz xz xz xz
SA node to the AV down bundle of His and then right and left branches ending in purkinje
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
What occurs if the SA node is damaged - ans-AV node will initiate an electrical empulse
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
What is AV node rate - ans-40-60
xz xz xz xz xz xz
What is the purkinje rate - ans-20-40
xz xz xz xz xz xz
what does the p wave represent - ans-atrial contraction and depolarization
xz xz xz xz xz xz xz xz xz xz
what does QRS represent - ans-ventricular contraction and depolatization
xz xz xz xz xz xz xz xz
what is the normal qrs interval - ans-0.04-0.12
xz xz xz xz xz xz xz
what does the t wave represent - ans-ventricular relaxation/repolarization
xz xz xz xz xz xz xz xz
how do you measure the PR interval? - ans-
xz xz xz xz xz xz xz xz
beginning of P wave to the beginning of QRS complex
xz xz xz xz xz xz xz xz xz
what is the normal PR interval - ans-0.12-0.20 seconds
xz xz xz xz xz xz xz xz
What is the QT interval? - ans-measured from beginning of QRS to the end of the T Wave
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
What is the normal QT interval? - ans-0.33-0.44 secinds
xz xz xz xz xz xz xz xz
one small box is equal to? - ans-0.04 seconds
xz xz xz xz xz xz xz xz
one large box is equal to - ans-0.2 seconds
xz xz xz xz xz xz xz xz
Ventricular Tachycardia - ans-wide/bizzare, monomorphic, rate 110-250
xz xz xz xz xz xz
Ventricular Fibrillation - ans-rapid chaotic no qrs no pulse
xz xz xz xz xz xz xz xz
idioventricular - ans-irregular wide bizarre QRS, slow rate, NO P WAVES xz xz xz xz xz xz xz xz xz xz
Asystole - ans-no electrical activity no heart rate no output
xz xz xz xz xz xz xz xz xz
1st degree heart block - ans-prolonged pr interval greater than 0.20 seconds
xz xz xz xz xz xz xz xz xz xz xz
2nd degree type 1 - ans-longer longer longer drop R-R is irregular due to a drop of QRS
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
