Atrial Rhythms Flashcards
(4 cards)
1
Q
Premature Atrial Complex (PAC)
A
Rate: 60-100 bpm Rhythm: Irregular due to ectopic beat P waves: upright P waves PR interval: typically 0.12-0.20 QRS interval: <0.12
2
Q
Supraventricular Tachycardia (SVT) or Atrial Tachycardia
A
Rate: 160-240
Rhythm: Regular
P waves: appears different than sinus P waves if present
PR interval: 0.12-0.20 when P wave is present
QRS interval: <0.12
3
Q
Atrial Flutter
A
Rate: 220-350 (atrial) Rhythm: usually regular P waves: replaced by flutter (or F) wave PR interval: not discernible QRS interval: <0.12
4
Q
Atrial Fibrillation
A
Rate: >400 (atrial) Rhythm: irregularly irregular (NO pattern) P waves: replaced with fibrillation line PR interval: not measurable QRS interval: <0.12
