What's in A-a Gradient? 🫁
24 August 2024 – Sam Nunn
You can't trust a normal PaO2. Continue reading…
If the Survival Guide is a no-nonsense guide to the basics of anaesthesia, then the Nerd Box1 is yes-nonsense guide to everything else.
So kick back, relax, and feast your eyes on the wonders and esoterica of modern anaesthesia.
You can't trust a normal PaO2. Continue reading…
LocalBot is your new buddy that helps your get better at calculating local anaesthetic doses without whipping out your phone. Continue reading…
Gas Notes now has a remote-controlled patient monitor to help you run simulations. And the best part? It's free. Continue reading…
Oxygen is a necessary evil for life. To get any use from the stuff, one must first pluck it from the atmosphere, squeeze it into their bloodstream, slosh it to their organs and somehow plug it into the molecular machinery of life.
What could possibly go wrong? Continue reading…
Codeine ain't the "weak opioid" they told you it was. It's really a prodrug of morphine, and its metabolism is anything but reliable. Continue reading…
How do local anaesthetics actually work? What the heck is pKa? And why do some people insist on mixing bicarbonate into their lignocaine? Continue reading…
While twiddling some ventilator dials, I dreamt up a neat little way to remember the types of respiratory failure and how to fix them. Continue reading…
Sugammadex reverses of paralysis from vecuronium and rocuronium by mopping them up in the plasma. It's safe, fast, and virtually side-effect free. The problem is that it's eye-wateringly expensive. Continue reading…
BIS is meant to prevent awareness by measuring anaesthetic depth from a simlified EEG but there are some well-founded concerns about how easy the machine can be misled. Continue reading…
A nerd box is a nickname for those clever little clipboards that split down the middle so you can hide a whole lot of papers inside.
I carried one when I was a medical student and I filled it with all sorts of off-topic nonsense.
This blog is the spiritual successor to that box.