The Lemmy Club
  • Communities
  • Create Post
  • Create Community
  • heart
    Support Lemmy
  • search
    Search
  • Login
  • Sign Up
sanitation@lemmy.today to Today I Learned@lemmy.worldEnglish · 4 days ago

TIL After President Kennedy was shot and arrived at Parkland Memorial Hospital, he was reported to still have a heartbeat, but no pulse or blood pressure

www.pbs.org

external-link
message-square
26
link
fedilink
  • cross-posted to:
  • todayilearned@lemmit.online
57
external-link

TIL After President Kennedy was shot and arrived at Parkland Memorial Hospital, he was reported to still have a heartbeat, but no pulse or blood pressure

www.pbs.org

sanitation@lemmy.today to Today I Learned@lemmy.worldEnglish · 4 days ago
message-square
26
link
fedilink
  • cross-posted to:
  • todayilearned@lemmit.online
The Kennedy Assassination FAQ | American Experience | PBS
www.pbs.org
external-link
Get answers to some of the most frequently asked questions about President John F. Kennedy's assassination on November 22, 1963.
alert-triangle
You must log in or # to comment.
  • 🇰 🌀 🇱 🇦 🇳 🇦 🇰 🇮 @pawb.social
    link
    fedilink
    English
    arrow-up
    40
    arrow-down
    1
    ·
    4 days ago

    How can you have a heartbeat but no pulse? Aren’t those the same thing? 🤨

    • thethrilloftime69@feddit.online
      link
      fedilink
      English
      arrow-up
      24
      ·
      4 days ago

      Heart can continue to beat but if there’s nothing to pump through the blood vessels, you won’t feel a pulse.

      • madcaesar@lemmy.world
        link
        fedilink
        English
        arrow-up
        1
        ·
        2 days ago

        Fuck…

    • sudoshakes@reddthat.com
      link
      fedilink
      English
      arrow-up
      33
      ·
      4 days ago

      Electrical current firing in the heart can be picked up by EKG, but if there is no blood left in the tube you have no blood pressure.

      • Possibly linux@lemmy.zip
        link
        fedilink
        English
        arrow-up
        3
        ·
        4 days ago

        Wouldn’t it run out of oxygen?

        • hansolo@lemmy.today
          link
          fedilink
          English
          arrow-up
          7
          ·
          2 days ago

          Eventually, but it’s a muscle. Salt applied to freshly butchered meat will spasm because it’s still muscles with sugars left to burn.

          Same thing like if someone gets decapitated. The heart might still pump for a while and shoot blood out everywhere. Doesn’t mean the person of still alive.

          • Possibly linux@lemmy.zip
            link
            fedilink
            English
            arrow-up
            1
            ·
            2 days ago

            Have you witnessed both these things?

            • hansolo@lemmy.today
              link
              fedilink
              English
              arrow-up
              2
              ·
              2 days ago

              Just the first one in person.

          • Master@sh.itjust.works
            link
            fedilink
            English
            arrow-up
            1
            ·
            2 days ago

            Doesnt mean they’re dead. Could still have brain function a minute or SO after decapitation.

            • hansolo@lemmy.today
              link
              fedilink
              English
              arrow-up
              3
              ·
              2 days ago

              Seconds, maybe. Once the brain loses blood pressure, most functions outside the stem go offline.

        • sudoshakes@reddthat.com
          link
          fedilink
          English
          arrow-up
          2
          ·
          3 days ago

          Yes.

    • ryannathans@aussie.zone
      link
      fedilink
      English
      arrow-up
      12
      arrow-down
      1
      ·
      4 days ago

      If you cut out the heart it will beat for quite some time after death

      • finallymadeanaccount@lemmy.world
        link
        fedilink
        English
        arrow-up
        8
        ·
        2 days ago

        Depends on how neatly you cut it. If you just hack and slash, it doesn’t last very long at all. But, as with everything, the more you practice, the better you …

        Oh, wait.

        Uh, NVM.

      • SaveTheTuaHawk@lemmy.ca
        link
        fedilink
        English
        arrow-up
        3
        ·
        2 days ago

        If you culture cardiac muscle cells, they start beating.

      • kambusha@sh.itjust.works
        link
        fedilink
        English
        arrow-up
        14
        ·
        4 days ago

        “Things only my ex would know”

        • yermaw@sh.itjust.works
          link
          fedilink
          English
          arrow-up
          3
          ·
          2 days ago

      • 🇰 🌀 🇱 🇦 🇳 🇦 🇰 🇮 @pawb.social
        link
        fedilink
        English
        arrow-up
        3
        arrow-down
        3
        ·
        4 days ago

        I am doubtful of that but I haven’t ripped enough hearts out of people to know for sure.

        • LifeInMultipleChoice@lemmy.world
          link
          fedilink
          English
          arrow-up
          2
          ·
          2 days ago

          The quite some time seems hard to believe but the idea that heart transplants occur must mean that there must be some wiggle room I guess.

        • ryannathans@aussie.zone
          link
          fedilink
          English
          arrow-up
          4
          arrow-down
          1
          ·
          4 days ago

          https://youtu.be/GxGZYM8IA5o

          A turtle heart, same concept, nsfw

        • funkajunk 🇨🇦@lemmy.world
          link
          fedilink
          English
          arrow-up
          1
          ·
          4 days ago

          That implies you’ve done it at least once 🤔

    • Proprietary_Blend@lemmy.world
      link
      fedilink
      English
      arrow-up
      6
      arrow-down
      2
      ·
      4 days ago

      When you heart stop beatin but she still suckin

    • deegeese@sopuli.xyz
      link
      fedilink
      English
      arrow-up
      4
      arrow-down
      1
      ·
      4 days ago

      Try blowing up a popped balloon and tell us how it goes.

  • Reality_Suit@lemmy.world
    link
    fedilink
    English
    arrow-up
    20
    ·
    edit-2
    4 days ago

    PEA: pulseless electrical activity. But, when reading the article, it sounds like his body may have gone into hypovolemic shock. Long story short: When the body goes into systemic shock, it will vasoconstrict to pull all the blood to the vital organs, so your heart could still be beating but not have the pressure/volume to be able to detect a pulse.

  • Pistcow@lemmy.world
    link
    fedilink
    English
    arrow-up
    10
    ·
    4 days ago

    So like Mitch McConnell?

    • Cort@lemmy.world
      link
      fedilink
      English
      arrow-up
      24
      ·
      4 days ago

      Yeah, but the opposite. He has no heart but somehow has a pulse

      • kyonshi@piefed.social
        link
        fedilink
        English
        arrow-up
        3
        ·
        2 days ago

        Mitchell McConnell hasn’t looked like he had a pulse for the last 20 years. The man looked like he was made from off-brand play-doh

Today I Learned@lemmy.world

til@lemmy.world

Subscribe from Remote Instance

Create a post
You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: !til@lemmy.world

What did you learn today? Share it with us!

We learn something new every day. This is a community dedicated to informing each other and helping to spread knowledge.

The rules for posting and commenting, besides the rules defined here for lemmy.world, are as follows:

Rules (interactive)


Rule 1- All posts must begin with TIL. Linking to a source of info is optional, but highly recommended as it helps to spark discussion.

** Posts must be about an actual fact that you have learned, but it doesn’t matter if you learned it today. See Rule 6 for all exceptions.**



Rule 2- Your post subject cannot be illegal or NSFW material.

Your post subject cannot be illegal or NSFW material. You will be warned first, banned second.



Rule 3- Do not seek mental, medical and professional help here.

Do not seek mental, medical and professional help here. Breaking this rule will not get you or your post removed, but it will put you at risk, and possibly in danger.



Rule 4- No self promotion or upvote-farming of any kind.

That’s it.



Rule 5- No baiting or sealioning or promoting an agenda.

Posts and comments which, instead of being of an innocuous nature, are specifically intended (based on reports and in the opinion of our crack moderation team) to bait users into ideological wars on charged political topics will be removed and the authors warned - or banned - depending on severity.



Rule 6- Regarding non-TIL posts.

Provided it is about the community itself, you may post non-TIL posts using the [META] tag on your post title.



Rule 7- You can't harass or disturb other members.

If you vocally harass or discriminate against any individual member, you will be removed.

Likewise, if you are a member, sympathiser or a resemblant of a movement that is known to largely hate, mock, discriminate against, and/or want to take lives of a group of people, and you were provably vocal about your hate, then you will be banned on sight.

For further explanation, clarification and feedback about this rule, you may follow this link.



Rule 8- All comments should try to stay relevant to their parent content.

Rule 9- Reposts from other platforms are not allowed.

Let everyone have their own content.



Rule 10- Majority of bots aren't allowed to participate here.

Unless included in our Whitelist for Bots, your bot will not be allowed to participate in this community. To have your bot whitelisted, please contact the moderators for a short review.



Partnered Communities

You can view our partnered communities list by following this link. To partner with our community and be included, you are free to message the moderators or comment on a pinned post.

Community Moderation

For inquiry on becoming a moderator of this community, you may comment on the pinned post of the time, or simply shoot a message to the current moderators.

Visibility: Public
globe

This community can be federated to other instances and be posted/commented in by their users.

  • 306 users / day
  • 2.15K users / week
  • 5.15K users / month
  • 12.1K users / 6 months
  • 133 local subscribers
  • 30.8K subscribers
  • 1.85K Posts
  • 47.4K Comments
  • Modlog
  • mods:
  • Rooki@lemmy.world
  • _MoveSwiftly@lemmy.world
  • Thekingoflorda@lemmy.world
  • DriftingDeep@lemmy.world
  • eric@lemmy.world
  • Decoy321@lemmy.world
  • BE: 0.19.19
  • Modlog
  • Legal
  • Instances
  • Docs
  • Code
  • join-lemmy.org