Figure 1: ECG Strip[1]
An atrial escape beat occurs after a long sinus pause resulting from sinus node exit block or sinus node arrest.[2] Atrial escape beats can become a sustained atrial rhythm when three or more escape beats occur in a row at a rate above 60 bpm.
Table 1: ECG Characteristics[3]
Figure 2: ECM Analysis, Record 223[5][6]