Created at 1:57 a.m. Nov, 02, 2025
Author: patriciasanchez
Related Note: 1576856273906 2
Rationale for change

The card states that an atrial septal defect (ASD) has a positive bubble study (agitated saline contrast echocardiography) as a standard finding.
This is wrong because bubble studies are often negative because most ASDs cause left-to-right shunt.
Source: AMBOSS - https://next.amboss.com/us/article/4403jT?q=asd#REXlv-

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