A member asked:

How does the pulmonary pressure get high enough in asd to make it a right to left shunt instead of the opposite if its just a small hole?

A doctor has provided 1 answer
Dr. Rick Koch answered

Pulmonary: Hypertension can result from years of increased pulmonary return when the pressure in the right atrium gets higher than left atrium flow direction shifts.

Answered 6/24/2013

5k views

Thank

Related Questions

A member asked:

Can endocarditis CAUSE atrial septal aneurysm with a pfo or ASD shunt?

3 doctors weighed in across 2 answers