, P-P interval lengthen and shorten with respirations
Irreg Rhythm
NO TX
Sinus Pause Criteria: (PR, QRS, QT, Rhythm)
PR: 0.12-0.20
QRS: 0.06-0.10
QT: 0.36-0.44
Irregular rhythm
Short Pause: no TX; Long/Freq. Pause & symptomatic = TX like Sinus Brady
Premature Atrial Contraction (PAC)
Heart Rate: Depends on underlying rhythm
Regularity: Interrupts the regularity of underlying rhythm
P-Wave: can be flattened, notched, or unusual. May be hidden within the T wave
PRI: measures between .12-.20 seconds and can be prolonged; can be different from
other complexes
QRS: <.12 seconds
TX: none, check Lytes, precursor for A-Fib/Flutter
Atrial Fibrillation (A-Fib) (PR, QRS, QT, RHYTHM, TX)
PR: Can't Measure NO P WAVE
QRS: 0.06-0.10
QT: May/May Not be Measurable
Rhythm: IRREGULARLY IRREGULAR
Rate: Atrial >400 BPM
Tx: Diltiazem (Cardizem), Amiodarone, Beta Blocker (Lopressor), Digoxin, Anti-Coag
(Heparin), Cardiovert
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