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 (CO2) is a powerful greenhouse gas. In the atmosphere it captures the sun's heat and warms the planet. This is part of the natural carbon cycle. Additional carbon dioxide comes from burning fossil fuels (coal, oil and natural gas).