Rahul Ganatra

@rbganatra.bsky.social

Medical Attending and Director of CME at VA Boston | Critical Appraisal enthusiast @thecurbsiders.bsky.social & Journal Watch. Easily fascinated. Views mine, but I'll share.

One insurance denial for Teressa's husband stated, “your newborn does not meet the criteria for coverage.” “This is when I really start to think they’re just denying,” she recalled. “They’re not even looking. They’re just ‘deny, deny, deny.’” ➡️ Full story: www.propublica.org/article/ment...

Screenshot of article excerpt: Highmark refused to pay for the emergency medical treatment for the colon infection. In a bizarre twist, that denial letter listed her husband as the patient but made reference to the care of a newborn, not that of a 52-year-old man having a mental health crisis.

“It was determined,” the letter said, “that your newborn does not meet the criteria for coverage of an inpatient hospital admission.”

“This is when I really start to think they’re just denying,” she recalled. “They’re not even looking. They’re just ‘deny, deny, deny.’”

“The study authors asked GPT 4o-mini to evaluate the quality of 217 papers. The tool didn’t mention in any of the reports that the papers being analyzed had been retracted or had validity issues. In 190 cases, GPT described the papers as world leading, internationally excellent, or close to that”

ChatGPT tends to ignore retractions on scientific papers

Study finds the chatbot doesn’t acknowledge concerns with problematic studies

cen.acs.org

Fewer than 10% of published observational studies in this sample used DAGs to justify confounder selection. This is a huge missed opportunity for both readers and researchers. DAGs are invaluable in research design and critical appraisal.

Miranda So PharmD MPH (Epidemiology)@mirandapharmdmph.bsky.social · last yr.

Enjoyed reading this review from @jamanetworkopen.com ! I have been providing an educational series for team members about reseach methods. We had lots of discussions about how to manage confounding in observational studies. jamanetwork.com/journals/jam...

Why do treehoppers look so weird?! Our latest paper, out this week in @pnas.org, suggests a perhaps unexpected reason - static electricity ⚡ We show that treehoppers can detect the electrostatic cues of predators and that their crazy shapes may boost their electrosensitivity! doi.org/10.1073/pnas...

Electroreception in treehoppers: How extreme morphologies can increase electrical sensitivity | PNAS

The link between form and function of an organism’s morphology is usually apparent or intuitive. However, some clades of organisms show remarkable ...

doi.org

You're looking at three golden tortoise beetles (Charidotella sexpunctata). They're native to the Americas, generally the east coast of North America all the way down to Argentina. The gold coloration is structural, semi-reflective layers in the cuticle selectively reflect wavelengths of light.

I'm not saying you can't generate a hypothesis from data. I'm just saying that generating a hypothesis from the entirety of human knowledge that preceded your data is a much safer bet.

This little fart-squirrel (Mephitis mephitis) is stamping, a warning behavior before the *big show*. She's hoping to scare you off with her ferocity so she doesn't have to use her scent glands. These types of bluffing moves are "deimatic" behaviors, from Greek 'deimatóo' = "to frighten".

new IBCC chapter: constipation! most ICU patients are constipated, so we manage this on a daily basis. but our approach is often super random ("I was taught this in residency") so I tried to create an evidence-based treatment strategy for constipation...🧵 #1/7 #EMIMCC emcrit.org/ibcc/constip...

a cartoon character from south park is sitting on the floor and making a surprised face .

ALT: a cartoon character from south park is sitting on the floor and making a surprised face .

media.tenor.com

what we truly care about is tonicity (forces that pull H2O across membranes) not osmolality sodium is actually a pretty good proxy of tonicity (ie “effective” osm), maybe better than measured osm also if we start juggling sodium levels and osmolarity at the same time it gets too damn complicated

a man with a beard is surrounded by mathematical equations on his face .

ALT: a man with a beard is surrounded by mathematical equations on his face .

media.tenor.com

Thanks to everybody who chimed in! I arrived at the conclusion that (1) there's a lot of interesting stuff about interactions and (2) the figure I was looking for does not exist. So, I made it myself! Here's a simple illustration of how to control for confounding in interactions:>

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Julia M. Rohrer@dingdingpeng.the100.ci · last yr.

Does anybody have a good visualization to explain how interactions can be confounded, and why interactions require interaction controls? @urisohn.bsky.social maybe? (Asking because I have an idea, but want to check out what exists already before investing the effort)

🎙️Brand New!!! #482 #shmconverge25 recap is here!!!!! Highlights and Pearls from SHM’s Annual Meeting 🥼🩺🩻🎰 We recap the top pearls for the hospitalist from #SHM #Converge25 hitting updates in GI, stroke, anticoagulation, perioperative medicine, artificial intelligence, and more.

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