John Mandrola, MD ✓

@drjohnm · Louisville, KY · joined 01 May 2010

Heart rhythm doc, writer for @Medscape, host of This Week in Cardiology podcast, editor of Sensible Medicine. The more you see, the harder medicine gets.

70 432Followers

2 124Following

31 927Posts total

112.5KViews on collected posts

Against accounts of the same size

7 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views14 850this account2 896median for 10K–100K

Reach, %21.08%this account9.51%median for 10K–100K

Engagement, %0.40%this account1.56%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	14 850	2 896	5.13×
Reach (views ÷ followers)	21.08%	9.51%	2.22×
Engagement rate	0.40%	1.56%	0.26×

Others in this range → Compare with another account → How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

18.6K31 Aug

24.4K1 Sep

12.5K

14.8K

19.1K

12.4K2 Sep

10.8K

Last 7 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.27%31 Aug

0.33%1 Sep

0.38%

0.49%

0.66%

0.67%2 Sep

0.40%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.56%.

What the audience does

Likes69.5%398 in total

Reposts9.1%52 in total

Replies7.7%44 in total

Quotes1.6%9 in total

Bookmarks12.2%70 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Latest posts

GF and I agree a lot these days 👇🏻 10.8K views · 39 likes · 2 reposts · 2 replies 02 Sep 2026 It’s funny…cardioversion was ok when it was done in the two positive sham control studies, but people hate it when the trial was null 12.4K views · 65 likes · 6 reposts · 11 replies 02 Sep 2026 And if it doesn’t work in Denmark where downstream testing doesn’t increase harm it has zero chance in US. Stop doing CAC scans. Statins OTC. 19.1K views · 93 likes · 16 reposts · 14 replies 01 Sep 2026 I can’t speak for other fields but cardiology is pretty awesome about testing theories. Even CAC bit the dust. We just need to introduce sham controls to the valve clippers 14.8K views · 68 likes · 3 reposts · 2 replies 01 Sep 2026 TARGET-CTCA: intermediate-risk chest pain, MI ruled out: Routine CT coronary angiography did NOT ⬇️ MI or cardiac ☠️ vs standard care 7.1% vs 7.3%, HR 0.95 ❌ 💊 More statins & cardiac procedures ⤴️ incidental findings ⬇️ non-CV☠️ More imaging ≠ better🫀outcomes in RCT http 12.5K views · 36 likes · 5 reposts · 5 replies 01 Sep 2026 🫀 DANCAVAS II: inviting men 60–64 to comprehensive CV screening including CAC testing DID NOT cut ☠️ (9.3% vs 9.9%) or MACE ❌ ⚠️ But it ⤴️ severe bleeding (6.0% vs 5.1%, HR 1.18), likely from aspirin 🩸 💊 Statin adherence? No better Takeaway: screen ≠ improve outcomes https:// 24.4K views · 60 likes · 15 reposts · 3 replies 01 Sep 2026 Seeing excellent work coming from the #ESCCongress meeting. The fields of infectious disease, public health, and vaccinology could learn a thing or two. Very little “settled science” in the cardiology field. Even standard practices are challenged in randomized trials. The 18.6K views · 37 likes · 5 reposts · 7 replies 31 Aug 2026 Twitter thread coming on what @adamcifu @VPrasadMDMPH @AndrewFoy82 and I think is the BEST approach to pt care. This is ... The Case for Being a Medical Conservative. https://t.co/nZXrnvMQqP Thanks to the @amjmed for publishing this. https://t.co/PKJNHLVZwU 0 views · 998 likes · 258 reposts · 113 replies 14 Mar 2019