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Dr Nathan Keiser Profile
Dr Nathan Keiser

@DocKeiser

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Functional Neurologist & Owner of The Keiser Clinic | Specializing In #POTS, #Dysautonomia, #Concussion & Neurological Disorders

Chelsea, MI
Joined September 2022
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@DocKeiser
Dr Nathan Keiser
6 months
Serving patients with debilitating neurological symptoms #POTS #concussion #dysautonomia
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@DocKeiser
Dr Nathan Keiser
15 hours
I really like this video — it’s one of the better explanations of #POTS subtypes we’ve seen in a while. Subtyping still keeps us in the land of symptoms though, not mechanisms. We need to stop chasing #symptoms and move toward understanding the system. #dysautonomia #neurology
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@DocKeiser
Dr Nathan Keiser
3 days
Does everyone with #dysautonomia have #POTS? Short answer: no — and they’re not interchangeable. A POTS diagnosis is often a starting point, not an answer. It doesn’t explain the cause. Labeling symptoms as POTS doesn’t tell us what’s driving the dysfunction. #chronicillness
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@DocKeiser
Dr Nathan Keiser
4 days
Emergency rooms aren’t built for chronic illness. People with long-term #neurological, #autonomic, and post-injury conditions deserve care that looks beyond survival — and toward recovery. That gap is where we work. #POTS #tachycardia
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@DocKeiser
Dr Nathan Keiser
5 days
Welcome to our live show!
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@DocKeiser
Dr Nathan Keiser
5 days
Suffering from #POTS or other forms of #dysautonomia? Your medical history is more important than you think. Join me tonight at 8pm EST on YouTube to talk about how any injury in your life can be contributing to your neurological issues. See you there! #Youtube #Neurology
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@DocKeiser
Dr Nathan Keiser
6 days
New Year- New Opportunities! See you tomorrow night on YouTube ( and here on X!) at 8pm EST for our first livestream of 2026! It's gonna be a good one- will I see you there? #concussion #POTS #dysautonomia
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@DocKeiser
Dr Nathan Keiser
6 days
When the #brain loses its sense of where it is in space, everything downstream can suffer. In this case, we focused on bringing key signals back online and coordinated again. This didn’t happen by chance. It happened through targeted neurology, consistency, and staying committed
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@DocKeiser
Dr Nathan Keiser
7 days
The goal of a tilt table test is not to make you pass out. And if you have #POTS, you usually won’t. POTS means your heart rate compensates enough to keep you conscious and your blood pressure doesn’t drop — that’s part of the diagnosis. #tilttabletest #orthostaticintolerance
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@DocKeiser
Dr Nathan Keiser
8 days
Sarah asked a really good question: Are #PNES and #FND the same thing—or is FND an umbrella that PNES falls under? Short answer: they’re related, but not identical. #dysautonomia
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@DocKeiser
Dr Nathan Keiser
9 days
This is such an important story. And unfortunately, it’s one we hear far too often. She did exactly what so many patients are forced to do—#advocate for herself after being dismissed by someone who should understand #POTS. What happened? She finally got relief. #chronicillness
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@DocKeiser
Dr Nathan Keiser
10 days
Why do #prolotherapy or #PRP cause flare-ups in some people with dysautonomia? Because the treatment has to match the problem. That’s where understanding mechanism matters. One-size-fits-all solutions don’t work in complex conditions like #dysautonomia.
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@DocKeiser
Dr Nathan Keiser
11 days
When we test the #brain, we’re not just “checking reflexes” — we’re mapping pathways. This isn’t random. It’s strategic. Find the weak link. Stimulate the right node. Build capacity. Improve function. That’s how we help the #nervoussystem work better — not just compensate.
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@DocKeiser
Dr Nathan Keiser
12 days
She’s awesome. 🙌 Funny, clever, and painfully relatable for so many people living with #POTS. And here’s the thing—people shouldn’t have to live this way. If you suffer from POTS, explore our content and DM us if you want to learn more about our approach. #dysautonomia
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@DocKeiser
Dr Nathan Keiser
13 days
The brain and visual system are doing some fascinating things here. I love seeing creators put content like this out—it opens the door to understanding how neurology actually works. #BrainHealth #neurology
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@DocKeiser
Dr Nathan Keiser
14 days
Some of the best emails I ever get aren’t about test results or numbers. They’re messages saying things like: “I went for a walk today.” Progress is possible. Hope is real. And you’re not broken. #longcovid #POTS #dysautonomia #concussion
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@DocKeiser
Dr Nathan Keiser
15 days
Why do some people have flare-ups, while others have daily, consistent #symptoms? It’s a great question—and the answer isn’t one-size-fits-all. #POTS #longcovid #dysautonomia
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@DocKeiser
Dr Nathan Keiser
16 days
When you’re living in ongoing pain, discomfort, or distress, your brain becomes hyper-focused on preventing things from getting worse. That protective system—especially the #limbicsystem and #amygdala—starts scanning constantly for danger. #anxiety #panic
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@DocKeiser
Dr Nathan Keiser
18 days
So could someone experience #brain blood-flow issues and lymphatic congestion at the same time? Absolutely. Is one always causing the other? Not necessarily. But the correlation makes a lot of sense clinically. #BrainHealth #POTS #cerebralhypoperfusion #dysautonomia
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@DocKeiser
Dr Nathan Keiser
19 days
In 2015, this dress absolutely broke the internet. Perception is an active neurological process. So what do you see? 👇 Drop your answer in the comments—and tell us if you’ve ever been able to switch it. #VisualMagic #Neurology #viralvideo
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@DocKeiser
Dr Nathan Keiser
20 days
“I can see the words… but my #brain isn’t processing them.” @allirose819 breaks it down well here- and once you understand the mechanism, you can actually start solving the problem instead of chasing symptoms. #dysautonomia #POTS #blurryvision
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