What is a patent foramen ovale (PFO)? In about 25% to 33% of people (that is, one in three to four individuals), the foramen ovale tissue flap does not close completely. When the foramen ovale remains open, it is called a â patent foramen ovaleâ or PFO. A PFO can allow a small amount of blood to pass from the right side of the heart to the left side
the minimum necessary standard is intended to be consistent with and not override professional judgment and standards and that practices must implement policies and procedures based on their own assessment of what phi is reasonably necessary for a particular purpose
(3) integration: prerequisite of creating a sense of solidarity and morale among people in a society. Must be met because if people do not believe they are a part of the whole, then they will be unwilling to make sacrifices necessary to insure the success of the society. (4) adaptation prerequisite: adjusting fitting a society to its physical environment.