Atrial Septal Defect in an Adult Patient
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KEY WORDSatrial septal defect adult congenital heart disease
ASD is a frequent congenital abnormality, the subtlety of which often results in the delay of diagnosis into adulthood. ASDs account for approximately one third of all cases of congenital heart disease in adults. 75% of ASDs are secundum defects (located centrally, at the fossa ovalis), which are more common in women. Symptoms at presentation are nonspecific and most often include fatigue and exertional dyspnea.1 Long-term complications of uncorrected ASDs include atrial arrhythmias, right ventricular dilatation and failure, pulmonary hypertension, and paradoxical embolism. Percutaneous device closure is standard of care for most secundum ASDs in tertiary medical centers worldwide. The age-related morbidity and mortality associated with ASDs can be mitigated with timely defect closure.2
There are no funding sources to disclose.
Conflict of Interest
The author declares no conflict of interest.
Transesophageal echocardiogram, right atrial views with and without Doppler imaging. The blue jet from above represents left-to-right shunting across a large atrial septal defect. (MOV 5959 kb)