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Basic Dysrhythmia 2023/2024 already graded A+
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Basic Dysrhythmia 2023/2024 already graded A+
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Basic DysrhythmiaSinus Rhythm
60-100bpm
Present P-wave
PRI 0.12-0.20 seconds
QRS 0.12> seconds
Sinus Bradycardia
40-60bpm
Present P-wave
PRI 0.12-0.20 seconds
QRS 0.12> seconds
Sinus Tachycardia
100-160bpm
Present P-wave
PRI 0.12-0.20 seconds
QRS 0.12> seconds
Sinus arrhythmia
Irregular
Normal or slow
Present P-Wave
PRI 0.12-0.20 seconds
QRS 0.12> seconds
Sinus Arrest/Exit block
Regular rhythm w/ pause
P-wave not seen until next complex
Atrial Fibrillation (A-Fib)
Grossly irregular
400< ventricular varies
Wavy P-wave
PRI not measureable
QRS 0.12> seconds
, Atrial Flutter
Regular or Irregular
250-400 (depending on conduction)
"Saw-tooth" P-waves
PRI not measureable
QRS 0.12> seconds
Paced Atrial
"Spike" before P-wave
1° AVB
Rate determined by rhythm
1 P-wave to each QRS
PRI prolonged >0.20 seconds
QRS 0.10>
2° AVB Type I (Wenkebach)
"Long, Long, Longer, Dropped... then you have a Wenkebach"
Persistent P-waves until not included
PRI progressively lengthen
QRS 0.10>
2° AVB Type II (Mobitz)
Irregular ventricular
P-wave before each QRS until no QRS
PRI normal until no QRS
QRS 0.10>
2° AVB 2:1
Every other beat has a lone P-wave
3° AV Block (Complete Heart Block)
P-save has no relation to QRS
PRI varies greatly
QRS normal-wide
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