Medical Axioms
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Medical Axioms
@medicalaxioms.bsky.social
Mark Reid, MD. Denver IM Hospitalist. I will teach you how to calculate the Individual Daily Risk of dying faced by each patient in any randomized controlled trial.

Then we will calculate the Daily Probability of Being Saved by an effective medicine
Patients who took simvastatin in the 1994 4S trial had a 1 in 72,724 per-day chance of having their life saved by that medicine.

youtu.be/ROM7DFmZo3Q
Individual Daily Risk: 4S Trial
YouTube video by Mark Reid, MD
youtu.be
April 30, 2025 at 5:11 PM
Reposted by Medical Axioms
April 27, 2025 at 10:36 PM
Here's a short video to introduce you to the conceptual framework of Individual Daily Risk. You can convert a Kaplan Meier curve into an estimate of each patient's Daily Risk of Dying.

Then you can calculate the Daily Probability of Being Saved by an effective medicine. youtu.be/HyI7Uk2l5AM
Introduction to Individual Daily Risk. IDR is a new method for comparing the results of RCTs
YouTube video by Mark Reid, MD
youtu.be
April 28, 2025 at 8:13 PM
Learn to use a Kaplan Meier curve to calculate the daily risk or dying the patients faced.

Then learn to calculate the Daily Probability of Being Saved. Much better than your dad’s NNT!

a.co/d/4fDrHWw
Amazon.com
a.co
April 19, 2025 at 3:28 PM
Learn how to calculate the daily risk of dying and Daily Probability of Being Saved from any Kaplan Meier curve in any randomized controlled trial.

a.co/d/5y3s2Pf
Amazon.com
a.co
April 12, 2025 at 4:35 AM
Do you know the equation to use to predict the next year after the right hand limit of a KM curve?
February 23, 2025 at 8:50 PM
Reposted by Medical Axioms
It’s crazy how many patients are on chronic oxygen therapy without a diagnosis
February 23, 2025 at 6:53 PM
I don’t want my doctors to spend a lot of time writing a note in my chart.

I want the to spend the time talking to me and writing my orders.

I use the Golden Rule when taking care of patients.
February 18, 2025 at 11:50 PM
Reposted by Medical Axioms
Nearing the time I retired, I thought I was just about getting the hang of it, but then they kept discovering new stuff.
I remember thinking when I’d finished residency I had seen it all.

In my 50’s I’m still getting better at anticipating the next steps. And spotting when things aren’t what I thought.
February 18, 2025 at 11:23 PM
I’ve worked with hundred of residents and students through the years.

If there is a problem, it’s never talent.

It’s always lack of support, health, or inspiration. Every single one of them has the capacity to be a great doctor as long as we can figure out what’s missing.
February 18, 2025 at 7:55 PM
My least favorite story:

A visitor came to see [patient with disease of addiction] and now they are [asleep, altered, happy, snoring] and I think the visitor gave them some [drugs, alcohol, etc.]
February 18, 2025 at 2:42 PM
Advocacy is not something you say.

It is something you do.
February 18, 2025 at 1:45 PM
I used to be happy to get the right answer right now today.

Now I'm happy when I can see into the future. How my decisions are likely to play out with this particular patient and their particular disease. It's like having a super power!
February 18, 2025 at 1:44 PM
I've changed my practice more in my PGY-20 years than I would have expected. I keep learning how the human body works!
February 18, 2025 at 1:42 PM
Every sick person would love to hear their doctor say, “I’ve seen this before. I’ve done this before. I can help you.”
February 17, 2025 at 4:04 PM
What so magical about this stuff anyway?
February 16, 2025 at 4:12 PM
Most people expend most of their effort trying to maximize their suffering and minimize the personal growth that should result from it.
February 16, 2025 at 3:06 PM
Patients and their families pay you to make unpopular decisions that are truly in the patient’s best interest. And be criticized for them.

It is one of your sacred duties as a physician.
February 15, 2025 at 11:22 PM
Effective medicines work because they lower your daily risk of dying.
February 4, 2025 at 12:03 AM
happy #gorillaz 25th anniversary

I remember being a freshman in highschool when 19-2000 dropped, it was playing on MUCH music(the canadian MTV) all the time, it was a mind reset. Before then the coolest animated music video was the Korn one.
I spent hours on their little KONG website maze...
January 30, 2025 at 1:04 AM
As long as we are renaming stuff, can we make Pluto a planet again?
January 27, 2025 at 5:13 PM
“Devastating” is not a characteristic of an event.

“Devastated” is a response an individual person might have to a particular event. Other people will not feel devastated by that same event. Some may have entirely other emotional responses. Including: elation, indifference, ambivalence, etc.
January 13, 2025 at 1:13 AM
Dumb old doctors get smarter as you get older just like your dumb old parents.
January 6, 2025 at 5:26 PM
Dire predictions do not enhance your credibility.

Even when you turn out to be correct.
January 3, 2025 at 3:50 AM
Reposted by Medical Axioms
As we head into 2025, I'll be sharing 25 MEDICAL HISTORY OBJECTS starting with...

#1) 5,000-year-old prosthetic eye made of bitumen paste with lines radiating out from iris. Worn by a 6’ tall woman (possibly a priestess), found near the city of Zabol in Iran. The eye would have been painted gold.
December 31, 2024 at 2:54 PM