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Engineers Just Created the World's Smallest Pacemaker
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2,573,503 Views โ€ข Apr 10, 2025 โ€ข Click to toggle off description
Engineers from Northwestern University have just unveiled the world's smallest pacemaker. Small enough to fit inside the tip of a syringe, this allows doctors to inject it into the body without surgery to help patients who need temporary heart pacing.

paper: www.nature.com/articles/s41586-025-08726-4

#medical #breakthrough #pacemaker #science #short

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Views : 2,573,503
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Uploaded At Apr 10, 2025 ^^


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RYD date created : 2025-07-21T08:41:49.395751Z
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1,415 Comments

Top Comments of this video!! :3

@DrBenMiles

3 months ago

What is this? A pacemaker for ants?

6.2K | 40

@readyrex

3 months ago

First the titanium heart as an alternative to a pacemaker. Now a pacemaker that is less invassive and safer.

14K | 40

@BlitzB0xR

3 months ago

Moral of the story: Chest Compressions Chest Compressions Chest Compressions Chest Compressions

7K | 13

@foundingtitan7

3 months ago

Bringing in Doctor Mike was genius and hilarious ๐Ÿ˜‚

8.6K | 15

@themistermaniacal

3 months ago

The fact it doesn't even need an operation and fits in already commonly available biopsy needles are huge upsides. Though I wonder how long they remain functional in the body. I imagine basically getting a heart biopsy too frequently would get old pretty fast and come with other risks like accumulating scar tissue. But the upsides of not needing full blown open heart surgery, anesthesia, saving on blood transfusions, rejection drugs, and all the other costs of heart surgery is incredible. like pennies in materials and a few minutes with a nurse vs thousands dollars and hours of a full O.R. staff. The implications are actually insane.

1.7K | 17

@halo-7797

3 months ago

My grandmother underwent a pacemaker implantation. Somehow during the procedure her diaphragm nerve got damaged and she has trouble with short breath, which in retrospect made it worse for her. There are no known treatments for this and only hope it gets better over time, it has been over a year since the operation. I pray medicine science will progress so others are not troubled with the complications.

1K | 7

@SecretWalrus99

3 months ago

Please bring attention to the fact the federal funding for Northwestern who developed this tech was just fully cut so it will be so much harder for discoveries like this to be made

2.4K | 36

@HalfInt

3 months ago

"Galvanic Cell" that "oxidizes in the body" is a quite nice way to say you stick two electrodes into the heart so it becomes a battery. It is certainly awesome that works, but I still want to know which materials can form a battery and be absolved by the body afterwards.

317 | 8

@Dickyboi99

3 months ago

I never expected to see for Dr Mike on Bingo Card in 2025 ๐Ÿ˜‚

3.1K | 8

@lkrdp9463

3 months ago

that Mike cameo LMAO ๐Ÿ˜‚ Great vid! thanks for the update! This pacemaker is a game changer indee

103 | 0

@SecretWalrus99

3 months ago

i work at Northwestern. This is Amazing technology that could save the lives of so many americans. that must be why our federal funding was just taken from us ๐Ÿ˜ข

474 | 6

@theenigma6160

3 months ago

The chest compressions got me XD

90 | 0

@bl7240

3 months ago

How are you consistently so funny AND so knowledgeable?! Trust me, most people are usually one or the other. But when I need a quick brush up on science that's outside of my scope, don't want to feel like I'm working, and want to actually remember enjoying learning, you're my go to. Thanks!

44 | 2

@damienray2286

3 months ago

My dad got to be one of the first to get a similar tiny pacemaker. His has no leads and is used to respond to the beat of the top of his heart. He had open heart in May 2020 (Yeah, bad timing ๐Ÿ˜‚, literally the day of Covid lockdowns) and recently all three bundle branches, the nerves that communicate between the top and bottom of the heart, were overwhelmed by scar tissue and the bottom of his heart pretty much stopped responding to the top of his heart. He had to have this little pacemaker implanted to stimulate the bottom of his heart in response to the top of his heart. It was actually his original heart surgeon's son who did the surgery to implant it

69 | 1

@LeMangeurDeCiment

3 months ago

Wowzers! That's amazing! The shear skill needed to develop something like this is crazy...
I haven't used "wowzers" in a while thinking about it

45 | 2

@cienciadeum

3 months ago

the doctor mike reference was insane

17 | 0

@CytoplasmikZombies

3 months ago

There is such a thing as a leadless pacemaker (two brand names of Micra and AVEIR) already. These do require surgery but are not bulky compared to the current PPM out there. They are inserted directly into the heart vs outside the heart such as this new invention

43 | 0

@Entropy67

3 months ago

The disolving materials are extremely interesting

54 | 2

@Mohd_Arsh786

3 months ago

Good to see another life saving technology ๐Ÿ˜Š

24 | 0

@TyTheGuy_Gaming

2 months ago

Whats even cooler is we're developing diamond batteries which can last for a century at least. These batteries are incredibly small as well, and van deliver up to 2V. Meaning it's practically PERFECT for a pacemaker

8 | 0

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