Werndale Hospital provides specialised Atrial Septal Defect (ASD) Repair using modern cardiac technology and evidence-based treatment approaches. Established in 1991, the accredited hospital in Carmarthen, United Kingdom, has 19 beds and caters to both domestic and international patients.

ASD Repair is used to correct an opening between the heart's upper chambers. Depending on the patient's condition, specialists may use a catheter-based closure device or surgical repair. Comprehensive cardiac evaluation is performed before treatment, followed by monitoring and follow-up care.