Atrial
Atrial Flutter
Sawtooth flutter waves from a re-entrant atrial circuit (~300/min), usually with 2:1 AV conduction.
LEAD II · 25 mm/sAFlutter
Characteristics
- Atrial rate
- ~300/min
- Ventricular rate
- 150 (2:1), 100 (3:1), 75 (4:1)
- P wave
- Sawtooth flutter waves
Common causes
- Same as AFib
ACLS treatment
- 1Stable: rate control or cardioversion (lower energies, 50–100 J biphasic).
- 2Unstable: synchronized cardioversion.