@nelsonsoriero: • A quick demonstration of the Mammalian Diving Reflex. Here, I dunk my face in cold water for a few seconds, lowering my heart rate from the 100s, into the 60s. • Dunking your face into cold water stimulates the trigeminal nerve, which sends signals to the brain to activate the parasympathetic nervous system via the vagus nerve, thereby lowering heart rate. • Physiological responses include: • Lowered heart rate • Constriction of blood vessels in the extremities to shunt blood toward the brain and core • Conservation of oxygen •Vagal maneuvers can help treat conditions like Supra-ventricular Tachycardia (SVT), and can also help with panic attacks. #Paramedic #911 #Ambulance #VagusNerve #DivingReflex

Nelson
Nelson
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Sunday 14 December 2025 04:52:42 GMT
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big_carlos_santana
Carlos :
6 7 !!!!
2025-12-14 15:07:07
12564
canipetyourcat
canipetyourcat :
that's exactly why they tell people who are upset to go splash some cold water on their face and calm down!
2025-12-14 21:03:31
25894
thevixen01
Vixen :
Holding your breath does this without water.
2025-12-14 14:19:18
8181
unclebeaux0
unclebeaux0 :
Right in the popcorn/puke bowl.
2025-12-15 17:21:18
4974
blake_9912
Blake :
One time our young EM doc had us hold a girls legs way above her head, like basically holding her upside down, while she was blowing on a syringe. Super wild but it was one last hail Mary vagal maneuver before cardioversion. It worked thankfully.
2025-12-14 19:18:16
3016
jo.the.banned
Jo 🍉🍉🍉 :
Hey just a reminder that all of the scientific tests on this have been done on men! Sometimes it doesn’t work the same for women
2025-12-15 14:26:26
1144
breeeezy0411
⋆˙⟡♡⟡🌛🍄N o v a🍄🌜⟡♡⟡⋆˙ :
Can this help with inappropriate sinus tachycardia caused by conditions like POTS ect
2025-12-14 13:46:03
810
icuseenme
Cheri :
It’s called the diving reflex. I am a therapist and I tell my clients with anxiety to use this. They sort of look at me a little wonky, but I promise them it works. And now I’ll keep this video for proof.
2025-12-15 23:16:25
115
barbiebabs3
Barbara Fedouchik :
I do this every time I feel a panic coming on and it really helps calm me down.
2025-12-14 23:25:54
1467
morgancraine
morgan craine :
Very interesting concept. Well executed!
2025-12-14 04:57:12
4348
abbydann_
Abby :
this is the first thing i do when having a panick attack and it honestly stops before it even starts
2025-12-15 03:29:59
365
hi228081
OlympusMons :
body like: SCREENSAVER ON
2025-12-15 17:24:28
1375
dmoneydark
DmoneyDark :
As someone who had SVT (got an ablation) ..... Very familiar. lol
2025-12-15 17:16:44
8
corkylc
CorkyLC :
ER RN here and I have done this for a patient with SVT that did not want Adenosine! It took a few attempts but it worked!
2025-12-14 19:55:39
280
fact_friend_ai
ReceiptsPlease :
😭where was this damn video 12 hrs ago when I got a panic attack
2025-12-30 03:13:15
28
frakensteinne
Libby_LiuLiu :
Ed Sheeran does have a lot of side quests. now he's a emt?
2025-12-16 09:31:57
90
sleepymamba420
ŠłèépÿMãmbã420 :
Maybe call the an ambulance or something?
2025-12-15 19:28:03
92
omgitssari
Sari :
Wait.. you were one of the paramedics who responded to our Airbnb carbon monoxide call in April 😅 small world. Thanks again especially for the free oxygen 😂
2025-12-16 01:49:12
43
lucaxalex
Alex :
dejas de respirar y hace lo mismo!! no hace falta meter la cabeza en agua
2025-12-16 10:14:46
9
.ka3_
kaelyn :
me with POTS taking notes 🤨📝
2025-12-15 22:57:59
75
thepastacats
Morgan :
My body does this by myself because I have neuralgia of my vagus nerve lmao
2025-12-15 03:32:22
49
paigegreenamyer
Paige :
how do I do this when im driving
2025-12-15 02:19:11
76
tylergosvenor8
Tyler Gosvenor :
Nice
2025-12-16 02:42:42
10
c_m_1991
Christian :
A lot of people on this thread are wondering, suggesting or thinking it helped their POTS.. I can promise you it did not. The only reason I’m writing this is because if it truly did work for you without tachycardia coming back shortly after, you need to see your doctor because you likely have a cardiac issue, not POTS. This will temporarily decrease your heart rate but the mechanism behind this does not work for the mechanism behind POTS induced tachycardia.
2025-12-14 16:06:22
33
brooke.antique
Brooke🕊️ :
Oh is this the science behind why so many people 💀 of a heart attack and not drowning when they fall through the ice
2025-12-15 21:35:50
6
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