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I'm suggesting that the PDA section of Ductus arteriosus be merged here as it contains information that this page does not. This suggestion is not indended to exclude the appearance of a PDA section on the DA article, merely to ensure that all the information is included on this page. In the event of a merge, I recommend adding a 'See full article' template to the top of the orignal section on the DA page. —The preceding unsigned comment was added by 220.127.116.11 (talk) 01:18, 23 April 2007 (UTC).
Redundant information: "In some babies, on the other hand, the ductus arteriosus remains open." This isn't on the other hand... PDA is when the ductus arteriosus remains open... exactly what was being discussed previously. —Preceding unsigned comment added by 18.104.22.168 (talk) 16:47, 14 October 2007 (UTC)
Typical ECG findings exist, depending on the size and shunt of the duct. Restrictive PDAs will volume load the heart and cause LA and LV dilatation. Only the LA dilatation will show up on the ECG, but the LV dilatation will be seen on an X-ray. Unrestrictive PDAs put a pressure load on the right ventricle and will lead to RV hypertrophy 22.214.171.124 (talk) 01:05, 7 October 2012 (UTC)