EKG Flashcards
The SA node has an inherent rate of __-__bpm. ans: 60-100
The AV node has an inherent rate of __-__bpm. ans: 40-60
The perkinje fibers in the ventricles have an inherent rate of __-__bpm. ans: 20-40
The "ready" or "resting" state. ans: polarization
The "firing" state or contraction. ans: depolarization
The return to "rest". ans: repolarization
The transportation of K, Na, and Ca into/out of the cardiac cell result in _____ formation. ans: Impulse
To determine the rate of a regular EKG strip, you can divide ___ by the number of large boxes or divide
___ by the number of small boxes. ans: 300, 1500
To determine an approximate rate for an irregular EKG strip, count the number of QRS or P complexes in
a ___ second strip and multiply by ___. ans: 6, 10
The ___ ___ represents atrial contraction on an EKG strip. ans: P wave
The ___ ___ ___ represents the time taken for the inpulse to travel from the SA to AV node. Ideally 0.12-
0.20 seconds. ans: PR Interval
The ___ complex represents ventricular contraction. ans: QRS
The ___ segment represents the time between ventricular contraction and repolarization; this is when
the ventricles completely empty. Ideally is <0.12 seconds. ans: ST
The ___ ___represents ventricular repolarization. ans: T wave
Rhythm: regular
Rate: 60-100
P-waves: present/upright, w/QRS
PRI: 0.12-0.20
QRS: <0.12 ans: Normal sinus rhythm
Rhythm: irregular
Rate: 80 or less
P-waves: present/upright, w/QRS
, PRI: 0.12-0.20
QRS: <0.12 ans: Sinus arrhythmia
There is no true NSR; everyone will have slight arrhythmias due to _____. ans: breathing
Rhythm: slightly irregular
Rate: 60-100
P-waves: present/upright, w/QRS
PRI: 0.12-0.20, slightly varies
QRS: <0.12 ans: wandering pacemaker (WAP)
Rhythm: unpredictable
Rate: 80 or less
P-waves: present/upright, w/QRS
PRI: 0.12-0.20
QRS: <0.12 ans: Sinus pause / arrest
Rhythm: regular
Rate: less than 60
P-waves: present/upright, w/QRS
PRI: 0.12-0.20
QRS: <0.12 ans: Sinus bradycardia
Rhythm: regular
Rate: greater than 100 (100-160)
P-waves: present/upright, w/QRS
PRI: 0.12-0.20
QRS: <0.12 ans: Sinus Tachycardia
Rhythm: an early beat
Rate: unpredictable
P-waves: present/upright, w/QRS, different shape
PRI: 0.12-0.20
QRS: <0.12 ans: Premature atrial contractions (PACs)
Rhythm: regular
Rate: 150-250
P-waves: present/upright, w/QRS, rides on T wave
PRI: 0.12-0.20 (if seen)
QRS: <0.12
*Will only break to sinus rhythm. ans: Paroxsysmal atrial tachycardia (PAT)
Rhythm: atrial = regular, ventriclar = regular/irregular
Rate: atrial = 250-350, ventricular = 2:1, 3:1, 4:1, varies
P-waves: flutter waves, more P's than QRSs, "sawtooth"
PRI: unable to measure
QRS: < 0.12 ans: Atrial flutter
The SA node has an inherent rate of __-__bpm. ans: 60-100
The AV node has an inherent rate of __-__bpm. ans: 40-60
The perkinje fibers in the ventricles have an inherent rate of __-__bpm. ans: 20-40
The "ready" or "resting" state. ans: polarization
The "firing" state or contraction. ans: depolarization
The return to "rest". ans: repolarization
The transportation of K, Na, and Ca into/out of the cardiac cell result in _____ formation. ans: Impulse
To determine the rate of a regular EKG strip, you can divide ___ by the number of large boxes or divide
___ by the number of small boxes. ans: 300, 1500
To determine an approximate rate for an irregular EKG strip, count the number of QRS or P complexes in
a ___ second strip and multiply by ___. ans: 6, 10
The ___ ___ represents atrial contraction on an EKG strip. ans: P wave
The ___ ___ ___ represents the time taken for the inpulse to travel from the SA to AV node. Ideally 0.12-
0.20 seconds. ans: PR Interval
The ___ complex represents ventricular contraction. ans: QRS
The ___ segment represents the time between ventricular contraction and repolarization; this is when
the ventricles completely empty. Ideally is <0.12 seconds. ans: ST
The ___ ___represents ventricular repolarization. ans: T wave
Rhythm: regular
Rate: 60-100
P-waves: present/upright, w/QRS
PRI: 0.12-0.20
QRS: <0.12 ans: Normal sinus rhythm
Rhythm: irregular
Rate: 80 or less
P-waves: present/upright, w/QRS
, PRI: 0.12-0.20
QRS: <0.12 ans: Sinus arrhythmia
There is no true NSR; everyone will have slight arrhythmias due to _____. ans: breathing
Rhythm: slightly irregular
Rate: 60-100
P-waves: present/upright, w/QRS
PRI: 0.12-0.20, slightly varies
QRS: <0.12 ans: wandering pacemaker (WAP)
Rhythm: unpredictable
Rate: 80 or less
P-waves: present/upright, w/QRS
PRI: 0.12-0.20
QRS: <0.12 ans: Sinus pause / arrest
Rhythm: regular
Rate: less than 60
P-waves: present/upright, w/QRS
PRI: 0.12-0.20
QRS: <0.12 ans: Sinus bradycardia
Rhythm: regular
Rate: greater than 100 (100-160)
P-waves: present/upright, w/QRS
PRI: 0.12-0.20
QRS: <0.12 ans: Sinus Tachycardia
Rhythm: an early beat
Rate: unpredictable
P-waves: present/upright, w/QRS, different shape
PRI: 0.12-0.20
QRS: <0.12 ans: Premature atrial contractions (PACs)
Rhythm: regular
Rate: 150-250
P-waves: present/upright, w/QRS, rides on T wave
PRI: 0.12-0.20 (if seen)
QRS: <0.12
*Will only break to sinus rhythm. ans: Paroxsysmal atrial tachycardia (PAT)
Rhythm: atrial = regular, ventriclar = regular/irregular
Rate: atrial = 250-350, ventricular = 2:1, 3:1, 4:1, varies
P-waves: flutter waves, more P's than QRSs, "sawtooth"
PRI: unable to measure
QRS: < 0.12 ans: Atrial flutter
