32
Specific Conditions
Table 12. Atrial Septal Defect: Routine Follow-Up and
Testing Intervals
Type of Follow-
Up or Testing
Physiological
Stage A* (mo)
Physiological
Stage B* (mo)
Physiological
Stage C* (mo)
Physiological
Stage D* (mo)
Outpatient
ACHD
cardiologist
36–60 12–24 6–12 3–6
Electrocardiogram 36–60 12–24 12 12
Transthoracic
echocardiogram
36–60 12–24 12 12
For recommendations about CMR imaging intervals, see Section 4.1.1 supportive text for
recommendation #1.
Modified with permission from Stout et al. Copyright © 2018 American Heart Association, Inc.
and American College of Cardiolog y Foundation.
* See Section 2.2 for details on the ACHD anatomic and physiological classification system.
ACHD indicates adult congenital heart disease; and CMR, cardiovascular magnetic
resonance.
