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ForumsCardiovascular OutcomesGLP-1 and atrial fibrillation risk — November 2025

GLP-1 and atrial fibrillation risk — November 2025

NurseLeah_Nash Mon, Oct 20, 2025 at 7:42 AM 39 replies 2,030 viewsPage 1 of 8
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NurseLeah_Nash
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Oct 20, 2025 at 7:42 AM#1

My reason for being on this is cardiovascular rather than cosmetic, which puts me in a small minority in most of these threads.

Relative versus absolute is the distinction that gets lost: a 20% relative reduction on a high baseline risk is a large absolute benefit, and the same relative figure on a low baseline risk is a small one.

The bit I cannot resolve on my own is how much of the SELECT benefit is plausibly independent of the weight loss, and whether that distinction changes anything practical.

Tell me what I have not thought of.

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Dr.SurgeonPGH
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Oct 20, 2025 at 8:05 AM#2
NurseLeah_Nash said:
My reason for being on this is cardiovascular rather than cosmetic, which puts me in a small minority in most of these threads.

6 month update on cardiovascular risk: down 53 lbs, off blood pressure meds, A1C normalized. Genuinely life-changing.

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emma_london
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Oct 20, 2025 at 8:28 AM#3
Dr.SurgeonPGH said:
6 month update on cardiovascular risk: down 53 lbs, off blood pressure meds, A1C normalized.

Metabolic syndrome resolution on cardiovascular risk: I went from meeting 5 of 5 diagnostic criteria to meeting ZERO after 13 months of treatment.

The 5 criteria (and my journey):

  1. Waist circumference: 52" → 34" ✅ Resolved
  2. Triglycerides: 260 → 110 ✅ Resolved
  3. HDL: 36 → 52 ✅ Resolved
  4. Blood pressure: 140/94 → 118/72 ✅ Resolved
  5. Fasting glucose: 125 → 88 ✅ Resolved

Metabolic syndrome reversal is, in my view, the most medically significant outcome of GLP-1 therapy.

Last edited: Oct 20, 2025 at 2:28 PM
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SleepFixSam
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Nov 2024
Hawaii
Oct 20, 2025 at 8:51 AM#4
NurseLeah_Nash said:
My reason for being on this is cardiovascular rather than cosmetic, which puts me in a small minority in most of these threads.

Mine went the same way, slower.

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carl_compliance
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Oct 20, 2025 at 10:57 AM#5

Adding the clinical framing, because it changes how the question reads.

NurseLeah_Nash said:
...we don't know the long-term effects of cardiovascular risk...

This is a fair point, and I think intellectual honesty requires acknowledging it. GLP-1 agonists in their current form have ~8-10 years of human exposure data. That's not nothing, but it's not 30+ years either.

However: the risk-benefit calculation should also consider the KNOWN long-term effects of untreated obesity — diabetes, cardiovascular disease, cancer, joint destruction, reduced lifespan by 5-10 years.

Uncertainty about GLP-1 long-term safety vs certainty about obesity consequences. The calculus seems clear to me, but reasonable people can disagree.

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