Of the common causes for exudative pleural effusions, parapneumonic effusions have the highest diagnostic priority. Even in the face of antibiotic therapy, infected pleural effusions can rapidly coagulate and organize to form fibrous peels that might require surgical decortication.
Retrogradation is the landward change in position of the front of a river delta with time.etrogradation is the landward change in position of the front of a river delta with time.
Retro-Commissioning is the application of the commissioning process to existing buildings. Retro-commissioning is a process that seeks to improve how building equipment and systems function together.Depending on the age of the building, Retro-Commissioning can often resolve problems that occurred during design or construction, or address problems that have developed throughout the buildingâs life.etro-commissioning is a process that seeks to improve how building equipment and systems function together. Depending on the age of the building, Retro-Commissioning can often resolve problems that occurred during design or construction, or address problems that have developed throughout the buildingâs life.