Of course, the ideal solutionto both of these situations would be for the patient tobetreated by a doctor who actually knew them over time, who had a good relationship with them, and a good sense of their baseline health and evolving concerns.
The carbon-rich solution, meanwhile, is treated in a separate vessel to release its burden of CO2, which can then be piped away and stored, and the amines or ammonium carbonate thus liberated recycled.