• Smith began to shake and writhe violently, in thrashing spasms and seizure-like movements, at about 7:58 p.m. The force of his movements caused the gurney to visibly move at least once. Smith’s arms pulled against the straps holding him to the gurney. He lifted his head off the gurney and then fell back. (…) The shaking went on for at least two minutes.

    https://www.pbs.org/newshour/nation/an-eyewitness-account-of-what-happened-at-the-nations-1st-nitrogen-gas-execution

    Miller shook and trembled on the gurney for about two minutes with his body at times pulling against the restraints, followed by about six minutes of gasping, according to the Associated Press.

    https://www.theguardian.com/us-news/2024/sep/26/alabama-nitrogen-gas-execution-alan-miller

    …an electrocardiogram showed Grayson no longer had a heartbeat about 10 minutes after the gas began flowing. Like two others previously executed by nitrogen, Grayson shook at times before taking a periodic series of gasping breaths.

    https://www.npr.org/2024/11/22/nx-s1-5201699/alabama-nitrogen-gas-execution

    Risks include feelings of suffocation and choking to death on one’s own vomit, as well as brain damage, a stroke, or a persistent vegetative state instead of death

    https://eji.org/issues/nitrogen-suffocation/

    Surely you’re not trying to imply they’re only thrashing for funsies

    • BarneyPiccolo@lemmy.today
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      3 days ago

      The descriptions of nitrogen poisoning are well documented in both the scientific and medical communities, and they are at completely at odds with those descriptions. I have never heard of any other death by nitrogen that fits anything close to that. Just the opposite.

      That means either the authorities screwed up in applying the strategy, which is definitely possible, considering how incompetent they often are, or the prisoners were acting, or both, which is probably the likely answer.

      If a person is sealed into a tight space filled with nitrogen, they won’t have any other symptoms, other than sleepiness. No thrashing, no seizures, etc. That is simple scientific/medical fact. If those descriptions are accurate, then they are indictive of another problem other than nitrogen. I suspect the mask that they are using isn’t flooding their systems with nitrogen as thoroughly as is required, causing the body to fight back.

      Stick the person in a small sealed chamber, fill a small container with liquid nitrogen, which evaporates at a rate of 695.5 to 1, and it will fill a chamber like that VERY quickly as it evaporates, displacing ALL the oxygen, and putting the victim to sleep in only a few breaths.