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The New Coffee Room

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  3. Murder by Air Embolism

Murder by Air Embolism

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  • K Klaus
    25 Oct 2021, 13:43

    One common bike maintenance pitfall is to have air in the hydraulic disc brake system. Devastating consequences for braking performance.

    A Offline
    A Offline
    Aqua Letifer
    wrote on 25 Oct 2021, 13:52 last edited by Aqua Letifer
    #3

    @klaus said in Murder by Air Embolism:

    One common bike maintenance pitfall is to have air in the hydraulic disc brake system. Devastating consequences for braking performance.

    Gotta spike that shit properly! Or just use rim brakes and stop being such a fucking Nancy.

    Please love yourself.

    K 1 Reply Last reply 25 Oct 2021, 16:15
    • G Offline
      G Offline
      George K
      wrote on 25 Oct 2021, 14:12 last edited by
      #4

      It take a lot, and I mean A LOT of air to kill someone if you inject it intravenously. Injecting into a peripheral vein is usually inconsequential. The air dissolves in the blood and nothing happens.

      Now, if you inject a large volume (several milliliters per kilogram), you can cause a lethal air embolism. It has to be injected rapidly, and the mechanism of death is obstruction of right ventricular outflow by the air bolus.

      https://pubs.asahq.org/anesthesiology/article/94/2/360/38886/Volume-of-Air-in-a-Lethal-Venous-Air-Embolism

      I've seen several hemodynamically-significant venous air embolisms, and if recognized, it's usually a minor hiccup. I can only assume they were relatively small.

      But, these are venous air embolisms.

      An embolism on the arterial side, however, is a much bigger deal. It's something that we always took care to prevent during heart surgery - after all, you're opening the aorta and there's always a potential for air to get into the system. Shooting air into the aorta as it leaves the heart is a setup for air getting into the cerebral circulation, causing stroke, or worse.

      I'd really like to see the story of how this guy did what he did. The article says that air was seen on the CT scans of the patients' heads. As the neurologist says, that indicates that it was an arterial air embolism.

      "Now look here, you Baltic gas passer... " - Mik, 6/14/08

      The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

      R C 2 Replies Last reply 25 Oct 2021, 16:54
      • M Offline
        M Offline
        mark
        wrote on 25 Oct 2021, 14:30 last edited by
        #5

        What a monster.

        1 Reply Last reply
        • J Offline
          J Offline
          Jolly
          wrote on 25 Oct 2021, 15:03 last edited by
          #6

          Thank God Texas has the Death Penalty.

          I hope they move him to the express lane.

          “Cry havoc and let slip the DOGE of war!”

          Those who cheered as J-6 American prisoners were locked in solitary for 18 months without trial, now suddenly fight tooth and nail for foreign terrorists’ "due process". — Buck Sexton

          1 Reply Last reply
          • A Aqua Letifer
            25 Oct 2021, 13:52

            @klaus said in Murder by Air Embolism:

            One common bike maintenance pitfall is to have air in the hydraulic disc brake system. Devastating consequences for braking performance.

            Gotta spike that shit properly! Or just use rim brakes and stop being such a fucking Nancy.

            K Online
            K Online
            Klaus
            wrote on 25 Oct 2021, 16:15 last edited by
            #7

            @aqua-letifer said in Murder by Air Embolism:

            @klaus said in Murder by Air Embolism:

            One common bike maintenance pitfall is to have air in the hydraulic disc brake system. Devastating consequences for braking performance.

            Gotta spike that shit properly! Or just use rim brakes and stop being such a fucking Nancy.

            I do like a good pair of rim brakes - especially how easy they are to maintain - but their time is over.

            A 1 Reply Last reply 25 Oct 2021, 17:19
            • G George K
              25 Oct 2021, 14:12

              It take a lot, and I mean A LOT of air to kill someone if you inject it intravenously. Injecting into a peripheral vein is usually inconsequential. The air dissolves in the blood and nothing happens.

              Now, if you inject a large volume (several milliliters per kilogram), you can cause a lethal air embolism. It has to be injected rapidly, and the mechanism of death is obstruction of right ventricular outflow by the air bolus.

              https://pubs.asahq.org/anesthesiology/article/94/2/360/38886/Volume-of-Air-in-a-Lethal-Venous-Air-Embolism

              I've seen several hemodynamically-significant venous air embolisms, and if recognized, it's usually a minor hiccup. I can only assume they were relatively small.

              But, these are venous air embolisms.

              An embolism on the arterial side, however, is a much bigger deal. It's something that we always took care to prevent during heart surgery - after all, you're opening the aorta and there's always a potential for air to get into the system. Shooting air into the aorta as it leaves the heart is a setup for air getting into the cerebral circulation, causing stroke, or worse.

              I'd really like to see the story of how this guy did what he did. The article says that air was seen on the CT scans of the patients' heads. As the neurologist says, that indicates that it was an arterial air embolism.

              R Offline
              R Offline
              Renauda
              wrote on 25 Oct 2021, 16:54 last edited by Renauda
              #8

              @george-k

              The safety sign on the machine shop floor warned that compressed air kills. Never have exposed skin to a direct shot of compressed air.

              Elbows up!

              1 Reply Last reply
              • G George K
                25 Oct 2021, 14:12

                It take a lot, and I mean A LOT of air to kill someone if you inject it intravenously. Injecting into a peripheral vein is usually inconsequential. The air dissolves in the blood and nothing happens.

                Now, if you inject a large volume (several milliliters per kilogram), you can cause a lethal air embolism. It has to be injected rapidly, and the mechanism of death is obstruction of right ventricular outflow by the air bolus.

                https://pubs.asahq.org/anesthesiology/article/94/2/360/38886/Volume-of-Air-in-a-Lethal-Venous-Air-Embolism

                I've seen several hemodynamically-significant venous air embolisms, and if recognized, it's usually a minor hiccup. I can only assume they were relatively small.

                But, these are venous air embolisms.

                An embolism on the arterial side, however, is a much bigger deal. It's something that we always took care to prevent during heart surgery - after all, you're opening the aorta and there's always a potential for air to get into the system. Shooting air into the aorta as it leaves the heart is a setup for air getting into the cerebral circulation, causing stroke, or worse.

                I'd really like to see the story of how this guy did what he did. The article says that air was seen on the CT scans of the patients' heads. As the neurologist says, that indicates that it was an arterial air embolism.

                C Offline
                C Offline
                Catseye3
                wrote on 25 Oct 2021, 17:03 last edited by
                #9

                @george-k said in Murder by Air Embolism:

                It take a lot, and I mean A LOT of air to kill someone if you inject it intravenously.

                It had a good run as a creative and diabolical means of murder in mystery novels though, until autopsies got all fancy with their pinprick detection techniques and whatnot. Readers wised up.

                Success is measured by your discipline and inner peace. – Mike Ditka

                J 1 Reply Last reply 25 Oct 2021, 17:40
                • K Klaus
                  25 Oct 2021, 16:15

                  @aqua-letifer said in Murder by Air Embolism:

                  @klaus said in Murder by Air Embolism:

                  One common bike maintenance pitfall is to have air in the hydraulic disc brake system. Devastating consequences for braking performance.

                  Gotta spike that shit properly! Or just use rim brakes and stop being such a fucking Nancy.

                  I do like a good pair of rim brakes - especially how easy they are to maintain - but their time is over.

                  A Offline
                  A Offline
                  Aqua Letifer
                  wrote on 25 Oct 2021, 17:19 last edited by
                  #10

                  @klaus said in Murder by Air Embolism:

                  @aqua-letifer said in Murder by Air Embolism:

                  @klaus said in Murder by Air Embolism:

                  One common bike maintenance pitfall is to have air in the hydraulic disc brake system. Devastating consequences for braking performance.

                  Gotta spike that shit properly! Or just use rim brakes and stop being such a fucking Nancy.

                  I do like a good pair of rim brakes - especially how easy they are to maintain - but their time is over.

                  Pffffffffffft.

                  Please love yourself.

                  D 1 Reply Last reply 25 Oct 2021, 17:51
                  • C Catseye3
                    25 Oct 2021, 17:03

                    @george-k said in Murder by Air Embolism:

                    It take a lot, and I mean A LOT of air to kill someone if you inject it intravenously.

                    It had a good run as a creative and diabolical means of murder in mystery novels though, until autopsies got all fancy with their pinprick detection techniques and whatnot. Readers wised up.

                    J Offline
                    J Offline
                    Jolly
                    wrote on 25 Oct 2021, 17:40 last edited by
                    #11

                    @catseye3 said in Murder by Air Embolism:

                    @george-k said in Murder by Air Embolism:

                    It take a lot, and I mean A LOT of air to kill someone if you inject it intravenously.

                    It had a good run as a creative and diabolical means of murder in mystery novels though, until autopsies got all fancy with their pinprick detection techniques and whatnot. Readers wised up.

                    Depends on the victim. In the old days, we posted a lot more patients. And anybody that died outside of the hospital was most often posted, unless they were old with known health problems. Today, not so much.

                    Unless foul play is suspected or there are legal aspects, most outpatients are never autopsied. Those are usually forensic, if they are done. And very, very few inpatients are posted.

                    “Cry havoc and let slip the DOGE of war!”

                    Those who cheered as J-6 American prisoners were locked in solitary for 18 months without trial, now suddenly fight tooth and nail for foreign terrorists’ "due process". — Buck Sexton

                    C 1 Reply Last reply 25 Oct 2021, 18:06
                    • A Aqua Letifer
                      25 Oct 2021, 17:19

                      @klaus said in Murder by Air Embolism:

                      @aqua-letifer said in Murder by Air Embolism:

                      @klaus said in Murder by Air Embolism:

                      One common bike maintenance pitfall is to have air in the hydraulic disc brake system. Devastating consequences for braking performance.

                      Gotta spike that shit properly! Or just use rim brakes and stop being such a fucking Nancy.

                      I do like a good pair of rim brakes - especially how easy they are to maintain - but their time is over.

                      Pffffffffffft.

                      D Offline
                      D Offline
                      Doctor Phibes
                      wrote on 25 Oct 2021, 17:51 last edited by
                      #12

                      @aqua-letifer said in Murder by Air Embolism:

                      Pffffffffffft.

                      Funnily enough, that's exactly the noise his fancy-schmancy brakes will make after they've leaked all over the shop and he attempts to apply them just before a high speed meeting with Destiny.

                      I was only joking

                      1 Reply Last reply
                      • J Jolly
                        25 Oct 2021, 17:40

                        @catseye3 said in Murder by Air Embolism:

                        @george-k said in Murder by Air Embolism:

                        It take a lot, and I mean A LOT of air to kill someone if you inject it intravenously.

                        It had a good run as a creative and diabolical means of murder in mystery novels though, until autopsies got all fancy with their pinprick detection techniques and whatnot. Readers wised up.

                        Depends on the victim. In the old days, we posted a lot more patients. And anybody that died outside of the hospital was most often posted, unless they were old with known health problems. Today, not so much.

                        Unless foul play is suspected or there are legal aspects, most outpatients are never autopsied. Those are usually forensic, if they are done. And very, very few inpatients are posted.

                        C Offline
                        C Offline
                        Catseye3
                        wrote on 25 Oct 2021, 18:06 last edited by
                        #13

                        @jolly said in Murder by Air Embolism:

                        Depends on the victim. In the old days, we posted a lot more patients.

                        Talking about fiction.

                        Success is measured by your discipline and inner peace. – Mike Ditka

                        J 1 Reply Last reply 25 Oct 2021, 18:26
                        • C Catseye3
                          25 Oct 2021, 18:06

                          @jolly said in Murder by Air Embolism:

                          Depends on the victim. In the old days, we posted a lot more patients.

                          Talking about fiction.

                          J Offline
                          J Offline
                          Jolly
                          wrote on 25 Oct 2021, 18:26 last edited by
                          #14

                          @catseye3 said in Murder by Air Embolism:

                          @jolly said in Murder by Air Embolism:

                          Depends on the victim. In the old days, we posted a lot more patients.

                          Talking about fiction.

                          Ok, I'll bite.

                          What do you know about autopsies?

                          “Cry havoc and let slip the DOGE of war!”

                          Those who cheered as J-6 American prisoners were locked in solitary for 18 months without trial, now suddenly fight tooth and nail for foreign terrorists’ "due process". — Buck Sexton

                          C 1 Reply Last reply 25 Oct 2021, 18:30
                          • J Jolly
                            25 Oct 2021, 18:26

                            @catseye3 said in Murder by Air Embolism:

                            @jolly said in Murder by Air Embolism:

                            Depends on the victim. In the old days, we posted a lot more patients.

                            Talking about fiction.

                            Ok, I'll bite.

                            What do you know about autopsies?

                            C Offline
                            C Offline
                            Catseye3
                            wrote on 25 Oct 2021, 18:30 last edited by
                            #15

                            @jolly said in Murder by Air Embolism:

                            What do you know about autopsies?

                            I don't have to know about autopsies. I made an observation about the use of injecting air as a murder device in mystery novels. That's it.

                            Success is measured by your discipline and inner peace. – Mike Ditka

                            1 Reply Last reply
                            • A Away
                              A Away
                              Axtremus
                              wrote on 25 Oct 2021, 18:37 last edited by
                              #16

                              What does it feel like to be killed by an air embolism?
                              What are the outward signs that the victim of air embolism would exhibit before he dies of it?

                              G D 2 Replies Last reply 25 Oct 2021, 19:04
                              • A Axtremus
                                25 Oct 2021, 18:37

                                What does it feel like to be killed by an air embolism?
                                What are the outward signs that the victim of air embolism would exhibit before he dies of it?

                                G Offline
                                G Offline
                                George K
                                wrote on 25 Oct 2021, 19:04 last edited by George K
                                #17

                                @axtremus said in Murder by Air Embolism:

                                What does it feel like to be killed by an air embolism?
                                Venous air embolism? Probably feels like you've had a massive heart attack and your heart stops pumping.

                                Arterial air embolism? Probably feels like you're having a stroke, if the air goes to the cerebral circulation. Otherwise, I imagine that, if it's large enough, it can cut off circulation to an extremity or other organ. I suppose it depends on how much air is injected, how fast, and where the injection occurs.

                                What are the outward signs that the victim of air embolism would exhibit before he dies of it?

                                Cardiovascular collapse or stroke, depending on the type of embolism.

                                "Now look here, you Baltic gas passer... " - Mik, 6/14/08

                                The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

                                1 Reply Last reply
                                • A Axtremus
                                  25 Oct 2021, 18:37

                                  What does it feel like to be killed by an air embolism?
                                  What are the outward signs that the victim of air embolism would exhibit before he dies of it?

                                  D Offline
                                  D Offline
                                  Doctor Phibes
                                  wrote on 25 Oct 2021, 19:09 last edited by
                                  #18

                                  @axtremus said in Murder by Air Embolism:

                                  What does it feel like to be killed by an air embolism?

                                  You will experience a tingling sensation, and then death.

                                  I was only joking

                                  1 Reply Last reply
                                  • C Offline
                                    C Offline
                                    Copper
                                    wrote on 25 Oct 2021, 20:44 last edited by
                                    #19

                                    @george-k said in Murder by Air Embolism:

                                    Cardiovascular

                                    How good is the heart as an air pump?

                                    R 1 Reply Last reply 25 Oct 2021, 22:34
                                    • C Copper
                                      25 Oct 2021, 20:44

                                      @george-k said in Murder by Air Embolism:

                                      Cardiovascular

                                      How good is the heart as an air pump?

                                      R Offline
                                      R Offline
                                      Renauda
                                      wrote on 25 Oct 2021, 22:34 last edited by Renauda
                                      #20

                                      @Copper

                                      Probably no better than the in line water pump I use to flush my Naivien hot water on demand system with vinegar once a year.

                                      Elbows up!

                                      1 Reply Last reply
                                      • taiwan_girlT Offline
                                        taiwan_girlT Offline
                                        taiwan_girl
                                        wrote on 26 Oct 2021, 01:53 last edited by
                                        #21

                                        @George-K Interesting. Thanks for the explanations.

                                        Like @Catseye3 I have read some fiction stories about people being killed by air, and (in the books) it seemed easy and the "perfect" murder.

                                        1 Reply Last reply
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