Understand the Problem
The question relates to information about heart conditions, specifically about blood flow between the left atrium and right atrium, the causes and effects, and the implications of these conditions. The key concepts include shunts, murmurs, and their associated risks.
Answer
Atrial Septal Defect (ASD), Ostium Secundum type.
The condition described is an Atrial Septal Defect (ASD), most commonly the Ostium Secundum type.
Answer for screen readers
The condition described is an Atrial Septal Defect (ASD), most commonly the Ostium Secundum type.
More Information
An ASD is a congenital defect in the septum between the heart's two atria. It allows blood to flow from the left atrium to the right atrium, leading to various complications like pulmonary hypertension and risk of embolic events due to paradoxical embolism.
Tips
A common mistake is confusing ASD with ventricular septal defect (VSD). Another is overlooking the wide, fixed split S2 as a key diagnostic clue.
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