Atrial Flutter Flashcards
What is atrial flutter?
Irregularly regular/organised atrial firing
Is atrial flutter more or less common than AFib?
Less common (and less severe)
What is the atrial firing rate in atrial flutter?
250-350 bpm
What are risk factors for atrial flutter?
Atrial fibrillation
Atrial flutter involves fast atrial e____ firing causing atrial spasm, but not as uncoordinated as AFib
ectopic
Atrial flutter typically involves a pathway from around the t_____ a____
tricuspid annulus (opening of valve)
What are symptoms of atrial flutter?
Dyspnoea
Palpitations
How is atrial flutter diagnosed?
ECG
F wave “sawtooth” pattern
Often with a 2:1 block (2 P waves for every QRS)
What is treatment for acutely unstable atrial flutter?
DC synchronised cardioversion
What is treatment for stable atrial flutter?
Beta-blockers (rhythm/rate control)
Oral anticoagulant (prevent thromboemboli)
What is surgical treatment for atrial flutter?
Radiofrequency ablation