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Prof Darrel Francis ☺ Mk CardioFellows Great Again Profile picture
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6 Jul, 4 tweets, 1 min read


I was just about to say, "Looks fine to me” ...
... when I suddenly noticed this.
And once you see that, the whole thing unravels.
The hilarious full analysis from Elisabeth is shown here.

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More from @ProfDFrancis

Prof Darrel Francis ☺ Mk CardioFellows Great Again Profile picture
23 Jun
I see Prof Chloroquine has decided to sue Elisabeth Bik for annoying him by pointing out the dubious features in his claims.
The MOMENT a scientist takes legal action instead of answering the scientific questions, you KNOW the answer.

They may as well come out and say it!
So if anyone is enjoying using INSPIRION to learn simple medical stats ...

tweetorials.inspirion.org/h2/c48ed511bc7…
Read 6 tweets
Prof Darrel Francis ☺ Mk CardioFellows Great Again Profile picture
22 Jun
Ahhhh, interesting that Josh brings this up!

h/t to Sanjay Kaul @kaulcsmc and DJ Cohen @djc795
for highlighting how difficult it is for people to redirect their thinking
What dose of metoprolol do you consider standard?
Here is the UK's British National Formulary (equivalent in role, I believe, to the US Physician's Desk Reference) regarding standard short-acting metoprolol.

Source: bnf.nice.org.uk/drug/metoprolo…
Read 44 tweets
Prof Darrel Francis ☺ Mk CardioFellows Great Again Profile picture
30 May
A question that I thought was simple, has had enormous pushback from respondents. 50:50 are ardently espousing an answer I consider to be obviously wrong.

Suppose there is a shop which only lets you in if you bring exactly ONE child.
Each person going shopping has two children, and chooses one child to go with them, but ALWAYS takes a boy if they have a boy.

For a randomly chosen customer in the shop, if their accompanying child is a boy, what is the probability that the child at home is a girl?
Let's give it a few days to see how people vote.

Please don't give the answer away, as it will spoil the experience.
Read 21 tweets
Prof Darrel Francis ☺ Mk CardioFellows Great Again Profile picture
21 May
I'm so excited!

PCI proven to save lives!

And we in ORBITA have played our part!
A picture tells a thousand words. And if you use a thousand colours, it tells a million words.
Here we are! The bestest trial in all the world!

Today I am happy to say I am something to do with it!!! No longer am I saying I had nothing to do with it and it was just something @rallamee was doing without my knowledge.
Read 12 tweets
Prof Darrel Francis ☺ Mk CardioFellows Great Again Profile picture
17 Apr
I do admit I pour vitriol on fellows who say NYHA is 2 to 3.

8-)

"Whats the point of going to medical school and then training in cardiology? Could have just gone to the pub."
NYHA has 4 possible values.

The cleaner could tell the people in NYHA 1: they are basically feeling normal.

The cleaner could also tell people in NYHA 4. They are slumped in a chair or bed, breathless at rest.

Everyone else is in 2 or 3.
Therefore the entire purpose of the 10 years of medical school, cardiology training, PhD and whatnot, is to be more skilled than the cleaner, i.e. to be able to distinguish NYHA 2 from 3.
Read 23 tweets
Prof Darrel Francis ☺ Mk CardioFellows Great Again Profile picture
15 Apr
Yes but this is not because they are evil.

It is because they feel that they are responsible for being advocates for their craft. That is why we congratulate people who broaden the indications for an intervention, and shun those who narrow it.
The Echo CRT trialists did an excellent job discovering that CRT given to people with only mechanical dyssynchrony, killed you progressively over time. In the same way that CRT for LBBB saved your life progressively over time.
In other words they showed that it was not a procedural complication problem (that happens soon after the implant) but a progressive result of the pacing itself.

They rarely get credit for this exquisite insight.
Read 7 tweets

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