It is a condition in which a rapid atrial rate of around 300/min is associated with 2:1, 3:1 or 4:1 AV block.
Most often, every second flutter beats conduct, giving a ventricular rate of 150 beats per minute. Occasionally
every beat conducts, producing a heart rate of 300 beats per minute.
Saw-toothed like atrial flutter waves.
Ischemic heart disease
Rheumatic heart disease
Wolff-Parkinson- White syndrome
Acute and chronic alcohol abuse.
Bloods (FBE, TSH, Urea and electrolytes, magnesium, calcium)
ECG- Saw tooth appearance, tachycardia
Rate control with beta-blockers, bisoprolol, etc. May need IV therapy
If hemodynamically unstable then cardioversion