title: I have atrial flutter.  I read a lot about atrial fibrillation, but how is atrial flutter different?  Also, I find myself laboring to breathe at times, with or without physical activity.  Could that be related to the flutter?  Do the symptoms of atrial flutter tend to get worse?
mesh_terms: D001281:Atrial Fibrillation; D001282:Atrial Flutter / Q000150:complications / Q000517:prevention & control*; D015438:Health Behavior; D006304:Health Status; D006801:Humans; D010353:Patient Education as Topic; D012120:Respiration Disorders / Q000209:etiology / Q000517:prevention & control*