The following are the most important diseases or complications that may be contributed to by atrial flutter:
Cardiovascular system (I00-I99).
- Apoplexy (stroke)
- Intracardiac thrombus formation (formation of a blood clot in the heart; the risk is lower than in atrial fibrillation)
- Sudden cardiac death (PHT)
- Jumping to a different heart rhythm
Psyche – nervous system (F00-F99; G00-G99)
- Anxiety
