ECG- Basics Nurse Residency
Question and Correct Answers
SA node fires at _______________ BPM it ______________. - <CORRECT ANSWER >>60-100
depolarizes
AV node bpm ___________. It is the gatekeeper. - <CORRECT ANSWER >>40-60
The bundle of His takes impulses and separates them through the _________. It allows for
synchronized quick ______________. - <CORRECT ANSWER >>septum, QRS
Perkinje fibers depolarize between _____________ BPM. If they do this a ____________ beat -
<CORRECT ANSWER >>20-40, junctional
A Sinus rhythm begins with the ________node - <CORRECT ANSWER >>SA
A P Wave is an _____________ _____________ or contraction. A normal P wave is always
___________. - <CORRECT ANSWER >>atrial depolarization, upright
If a P wave is inverted it is __________ from the SA node - <CORRECT ANSWER >>not
Normal PR interval should be ____ sec (3-5 small boxes) - <CORRECT ANSWER >>0.12-0.20
The PR interval tells us what the ___________ node is doing. - <CORRECT ANSWER >>AV
The QRS is _______________ impulse traveling through the bundles and Purkinje fibers. Thus a
narrow peaked QRS wave. - <CORRECT ANSWER >>depolarization
Question and Correct Answers
SA node fires at _______________ BPM it ______________. - <CORRECT ANSWER >>60-100
depolarizes
AV node bpm ___________. It is the gatekeeper. - <CORRECT ANSWER >>40-60
The bundle of His takes impulses and separates them through the _________. It allows for
synchronized quick ______________. - <CORRECT ANSWER >>septum, QRS
Perkinje fibers depolarize between _____________ BPM. If they do this a ____________ beat -
<CORRECT ANSWER >>20-40, junctional
A Sinus rhythm begins with the ________node - <CORRECT ANSWER >>SA
A P Wave is an _____________ _____________ or contraction. A normal P wave is always
___________. - <CORRECT ANSWER >>atrial depolarization, upright
If a P wave is inverted it is __________ from the SA node - <CORRECT ANSWER >>not
Normal PR interval should be ____ sec (3-5 small boxes) - <CORRECT ANSWER >>0.12-0.20
The PR interval tells us what the ___________ node is doing. - <CORRECT ANSWER >>AV
The QRS is _______________ impulse traveling through the bundles and Purkinje fibers. Thus a
narrow peaked QRS wave. - <CORRECT ANSWER >>depolarization
