- Regulary Regular Tachycardia with rate of 150 / min
- Left Axis Deviation (LAD) due to LAFB (Left anterior fascicular block)
- QRS looks wide probably due to the LAFB or due to the flutter waves
This tachycardia is a good example of the “150 rule” – if the rate is close to 150/min consider Atrial Flutter with 2:1 conduction.
This rhythm strip, after giving AV Nodal Blocking Drug, proves that the rhythm is Atrial Flutter.