Flutter waves may not be evident on an ECG in atypical forms of atrial flutter. Supraventricular tachycardias include atrial fibrillation, atrial flutter and paroxysmal supraventricular tachycardia. An irregular rhythm indicates atrial fibrillation or atrial flutter. Supraventricular tachycardias include atrial fibrillation, atrial flutter, and paroxysmal supraventricular tachycardia. Atrial fibrillation or atrial flutter is another indication. Pipistrels and their relatives are tiny bats that flutter like butterflies in flight. Many species of butterflies also flutter around Aldabra. Most frequently it is used for atrial fibrillation, atrial flutter, and heart failure. This is also approximately close to patients with atrial fibrillation and flutter. Sudden death is not directly associated with atrial flutter. It is also contraindicated in people with atrial flutter or fibrillation. Saddle butterflyfish usually flutter gently rather than swim. Most individuals with atrial flutter will manifest only one of these. Test flights revealed problems initially believed to be tail flutter. Similar high rates of success are achieved with AVRT and typical atrial flutter.