It is likely more distressing to the family and loved ones to hear the death rattle than it is to the patient experiencing it. If your loved one experiences end-stage wet respirations, here are some practical things you can do to minimize or eliminate it: Try changing the patient's position.
carbon dioxide - a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis.
Carbon Dioxide. Carbon dioxide is a molecule form from a carbon atom and two oxygen atoms. Each oxygen atom forms a double bond with carbon, and the molecular has a linear geometry. The molecular weight of carbon dioxide is 44 g mole -1. Carbon dioxide (CO 2) is a colorless gas and upon the dissolution in water, it forms carbonic acid.