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NSR
- Rate-60-100
- Rhythm: regular
- P-wave: normal, one for each QRS
- P-R interval: 0.12-0.20 seconds
- QRS Complex: less than 0.12 seconds
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SINUS Brady
- Rate: 40-60
- Rhythm: regular
- P-wave: normal, before each QRS
- P-R interval: 0.12-0.20 seconds
- QRS Complex: less than 0.12 seconds
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Sinus Tachycardia
- Rate: 100-160
- Rhythm: regular
- P-wave: regular, one for each QRS
- P-R interval: 0.12-0.20 seconds
- QRS Complex: less than 0.12 seconds
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Sinus arrhythmia
- Rate: normal, brady, or tachy
- Rhythm: regularly irregular
- P-wave:regular, one for each QRS
- P-R interval: 0.12-0.2 seconds
- QRS complex: less than 0.12 seconds
-
Sinus pause
** identify underlying rhythm, and frequency, and length of pause**
- Rate: less than normal
- rhythm:regular except for missed complex
- P-wave: normal, one for each QRS-None during pause
- P-R interval: 0.12-0.2 seconds
- QRS complex: less than 0.12 sec
-
Premature arterial contractions
*identify underlying rhythm, frequency, and timing of PAC*
- Rate: irregular r/t immature impulse
- P-wave: present, but different than sinus P wave
- P-R interval: 0.12-0.2 sec, but often different than sinus PR interval
- QRS: less than 0.12 sec, all identical
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A-flutter
- Rhythm: Atrial-250-350, ventricular-less than atrial
- rhythm: flutter waves regular, QRS regualr
- P-wave: saw tooth(no P wave)
- P-R interval: n/a
- QRS complex: less than 0.12 sec
-
A-fib
- Rate: atrial-UTM, ventricular-normal, brady, or tachy
- rhythm: iregularly irregualr
- P-wave: None, wavy baseline
- P-R interval: n/a
- QRS complex: less than 0.12 sec
-
Supra ventricular tachycardia
- Rate: atria-UTM, ventricular- 160-250
- rhythm: regular
- P-wave: UTM
- P-R: UTM
- QRS: less than 0.12 sec
-
Junctional rhythms
- Rate: 40-60, accelerated-60-100, junctional tachy- greater than 100
- rhythm: regualr
- P wave: inverted on Lead II, can be buried in QRS
- P-R: if present less than 0.12 sec
- QRS: less than 0.12 sec
-
Premature Junctional contractions
* identify underlying rate, frequency, and timing of PJC*
- Rhythm: irregular r/t premature impulse
- P wave:inverted on Lead II, can be buried in QRS
- P-R: if present less than 0.12 sec
- QRS: less than 0.12 sec
-
1 degree AV block
*identify underlying rhythm*
- Rate: normal or brady
- rhythm: regular
- P wave: for each QRS, normal
- P-r interval: greater than .2 sec
- qrs: less than .012
-
2nd degree AV block type 1(Mobitz 1)
- Rate: slow or normal
- Rhythm: P-P regular, R-R irregular
- P wave: always more than QRS
- P-r: inconsistent, lengthens until drops a complex then repeats
- QRS: less than .12
-
second degree AV block(mobitz 11)
- rate: atria-normal, ventricular-slow
- rhythm: regular or irregular
- p wave: normal, more than QRS
- P-R: consistent if present
- QRS: greater then .12 sec
-
third degree AV block(complete heart block)
- rate: atria-normal, ventricles-20-40
- rhythm: regular but independant
- P wave: more than QRS
- P-R: inconsistent
- QRS: longer than .12
-
BBB
- Note underlying rhythm
- QRS greater than .12
-
PVC
- ni related P wave
- no PR interval
- QRS greater than .12
- T wave opposite direction
-
idioventricular rhythm
- rate: atria-none, ventricules-20-40
- rhythm: regular
- no P wave
- QRS greater than .12
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