Table 1. Demographic, clinical, and imaging characteristics of ACAPA patients.

Patient no	Sex/age (months/years)	Symptoms	Electrocardiography	Echocardiography
1	M/8 years	Chest pain	ST depression in V6	EF: 70%, LVEDd Z score: 0.35 RCA/AA >1.4, ICC: +, MR: No, PMH: -, RDF+
2	F/9.5 years	Murmur	ALMI	EF: 67%, LVEDd Z score: 1.7 RCA/AA >1.4, ICC: +, PMH: - MR: moderate, RDF: +
3t	M/13 years	Fatigue	T negativity in aVL, V1-V3 Left anterior hemiblock	EF: 66%, LVEDd Z score: 2.7 ICC: +, PMH: - MR: Severe, RDF: +
4	F/5 months	Respiratory distress	ALMI	EF: 54%, LVEDd Z score: 7.3 MR: Mild, PMH: +, ICC: +
5*	F/5 years	No symptoms (during diagnosis; VSD, follow-up)	Normal	EF: 75% LVEDd Z score: -0.6 LCA/AA >1.3, ICC: +, VSD
6	F/3 months	Respiratory distress, diaphoresis, failure to thrive	ALMI	EF: 40% LVEDd Z score: 4.2 MR: Severe, ICC: + PMH: +, RDF: +, RCA/AA >1.4
7	F/6 months	Respiratory distress, decreased oral intake, diaphoresis, failure to thrive	ALMI	EF: 56% LVDDd Z score: 1.1 MR: Severe, ICC: +, PMH: +
8	F/7 months	Shortness of breath, diaphoresis, failure to thrive	ALMI	EF: 38% LVEDd Z score: 4.5 PMH: +, MR:severe, RDF
9*	M/5.5 years	No symptoms (during diagnosis ASD follow-up)	Incomplete RBBB, T negativity in V1-4	EF: 79% LVEDd Z score: -0.5 ICC: +, RDF: +, ASD
10	M/2.5 years	Respiratory distress,	ALMI	EF: 60%, LVEDd Z score: 3.3 MR: Mild RCA/AA >1.4, PMH: +, ICC: +
11	F/9 months	Respiratory distress, diaphoresis, failure to thrive	ALMI	EF: 64% LVEDd Z score: 2.8 MR: Moderate, PMH: + ICC: +, RDF: + RCA/AA >1.4
12	F/3 months	Respiratory distress, diaphoresis, failure to thrive	ALMI	EF: 44% LVEDd Z score: 5 MR: Moderate, PMH: + ICC: -, RDF: + RCA/AA >1.4
13	F/15 months	Murmur	ALMI	EF: 64% LVEDd Z score: 3.3 MR: Mild, ICC: + RCA/AA >1.4, PMH: -
14	M/2 years	Palpitation	ALMI	EF: 59% LVDD Z score: 5.3 MR: Moderate, PMH: + ICC: +, RCA/AA >1.4
ACAPA: Anomalous origin of coronary artery from the pulmonary artery; EF: Ejection fraction; LVEDd: Left Ventricular End Diastolic Diameter; RCA: Right coronary artery; AA: Aorta artery; ICC: Intercoronary septal collaterals; MR: Mitral regurgitation; PMH: Papillary muscle hyperechogenicity; RDF: Reverse Doppler flow; ALMI: Anterolateral myocardial infarction; LCA: Left coronary artery; VSD: Ventricular septal defect; ASD: Atrial septal defect; RBBB: Right bundle branch block; ARCAPA: Anomalous right coronary artery origin from the pulmonary artery; † This patient had mitral valve surgery at the age of 3 years; * ARCAPA patients.