Table 2.

Timing of echocardiograms or MUGA scan postcancer therapy as per children's oncology group long-term followup guidelines for survivors of childhood, adolescent, and young adult cancers version 3.0 [87].

Age at treatment	Radiation with potential impact to the heart	Anthracycline dose converted to doxorubicin isotoxic dose	Recommended frequency
<1 year old	Yes	Any	Every year
	No	<200 mg/m2	Every 2 years
		≥200 mg/m2	Every year
1–4 years old	Yes	Any	Every year
	No	<100 mg/m2	Every 5 years
		≥100 to <300 mg/m2	Every 2 years
		≥300 mg/m2	Every year
≥5 years old	Yes	<300 mg/m2	Every 2 years
		≥300 mg/m2	Every year
	No	<200 mg/m2	Every 5 years
		≥200 mg/m2 to <300 mg/m2	Every 2 years
		≥300 mg/m2	Every year
Any age with decrease in serial function			Every year