No, I don't think they could get confused. AGE doesn't cause low oxygen tensions in the blood, and it wouldn't cause an x-ray that looked like pulmonary edema:
Note that, in comparison with the lung fields in the prior x-rays, this one looks fluffy and congested and not nearly as transparent. That's because the lung tissue is full of fluid and not air.
![ef3a23eddf31faee980a4011d9d5ee_big_gallery.jpg](http://images.radiopaedia.org/images/1429771/ef3a23eddf31faee980a4011d9d5ee_big_gallery.jpg)
Note that, in comparison with the lung fields in the prior x-rays, this one looks fluffy and congested and not nearly as transparent. That's because the lung tissue is full of fluid and not air.