ASD Symptoms and Signs Diagnosis Treatment Back to Top Section. ... Diagnosis is by echocardiography.
Treatment is surgical or catheter based repair. A soft midsystolic murmur at
the upper left sternal border is common. Symptoms and signs include exercise intolerance
dyspnea fatigue and...
http://www.merck.com/mmpe/sec19/ch287/ch287b.html

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