Dr Gas - Anaesthesia Education

GasGasGas - Anaesthetic Science for Anaesthesia!

Health EN ↓ 79 episodes

An Anaesthesia Podcast focusing on the science knowledge anaesthetists should know. We track the UK Primary FRCA Curriculum.> GasGasGas will fit into a corner of your day, delivering a treatise on a drug, concept or practice critical to the knowledge required to pass the FRCA Primary Exam!> There are naturally tangents, as hearing a word vomit of data with no joy is not the aim of Dr gas!> This is relevant to anyone in the world interested in these pharmacological, physiological, clinical, physical and chemical concepts,> Notes on https://gasgasgas.uk> Sponsored by Teach Me Anaesthetics S...

Author

Dr Gas - Anaesthesia Education

Category

Health

Podcast website

gasgasgas.uk

Latest episode

Jul 10, 2026

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Episodes

VivaCast Round 2 - Shyam from t'north Vs Pharmacology 10.07.2026

Shyam first of his name, possible King of the Andals puts his claymore aside and handles the first of four 15 min vivas for the FRCA primary exam!  This episode handles core pharmacology to start with dabbles in the milk of the poppy (compare and contrast those opioids) and then TCI models as a nice little closer!    Listen to find out more!   ================================================ GasGa...

Vivacast Round 2 - Martin Vs Vapourisers (the Vapourisers win the first round) 26.06.2026

The fourth and final Martin from Sweden vivacast episode, he has been prepping for the EDAIC oral exams. This session tackled vapourisers and their safety features, and it identified a gap in Martins knowledge, whether or not the EDAIC would ask such things, is naturally another question, but nevertheless this is important knowhow for the apocalypse (when you are getting the boyles bottle out of t...

VivaCast Round 2 - Clinical station - Paeds Appendix + Bronchospasm! 14.06.2026

The third of a new panel of vivacast episodes, Martin, all the way from Sweden, who is prepping for the EDAIC oral exams. This session handles some thinking behind liberating the appendix from a 12 year old boy, a structured approach to high airway pressures and managing bronchospasm Listen to find out more! ================================================ GasGasGas - Covering Anaesthetic Science...

Vivacast Round Two - Physiology of pregnancy, Peri partum emergencies and cardiac risk 29.05.2026

The second of a new panel of vivacast episodes, introducing Martin, all the way from Sweden, who is prepping for the EDAIC oral exams. This session explores the physiological changes of pregnancy, peri partum emergencies and introduces cardiac risk stratification. Listen to find out more! Show notes at:  ================================================ GasGasGas - Covering Anaesthetic Science for...

VivaCast Round Two - Heparin and Propofol 15.05.2026

The First of a new panel of vivacast episodes, introducing Martin, all the way from Sweden, who is prepping for the EDAIC oral exams. This session explores heparin and what happens with a single dose of propfol! Listen to find out more! Show notes at:  ================================================ GasGasGas - Covering Anaesthetic Science for Anaesthetists! Sponsored by Teach Me Anaesthetics Che...

AntiCholinesterases for Adept Anaesthetists 18.04.2026

Anti-Cholinesterases, they find widespread use in clinical medicine. Their role in reversal of neuromuscular blockade is certainly dwindling given sugammadexes rise to post patent [can actually afford to use it] supremacy. But if you are using atracurium, then go nuts! Listen to find out more! Show notes at : https://gasgasgas.uk/anticholinesterases/ ===============================================...

Sugammadex - the best drug in the world? 03.04.2026

Sugammadex, if Carlsberg made Sugammadex, it might just be the best drug in the world. I.e. if you were to describe a perfect neuromuscular reversal drug, sugammadex is getting very close!   Listen to find out more! Show notes at : https://gasgasgas.uk/sugammadex/ ================================================ GasGasGas - Covering Anaesthetic Science for Anaesthetists! Sponsored by Teach me Anae...

Pancuronium and NMJ block terminology 20.03.2026

Pancuronium pandemonium, with a dash of Type 1 and Type 2 Block for good measure.    Listen to find out more! Show notes at : https://gasgasgas.uk/pancuronium/ ================================================ GasGasGas - Covering Anaesthetic Science for Anaesthetists! Sponsored by Teach me Anaesthetics Check out the Teach Me Anaesthetics 1100+ SBA Resource [affiliate] Contributions to keep the lam...

Vecuronium for Anaesthetists + NMB monitoring 06.03.2026

Vecuronium for anaesthetists with a segue into NMJ/MNB monitoring!    Listen to find out more! Show notes at : https://gasgasgas.uk/vecuronium/ ================================================ GasGasGas - Covering Anaesthetic Science for Anaesthetists! Sponsored by Teach me Anaesthetics Check out the Teach Me Anaesthetics 1100+ SBA Resource [affiliate] Contributions to keep the lamps lit here ====...

Cisatracurium + other drugs that impair neuromuscular function 20.02.2026

Cisatracurium is one of the ten isomers found in an ampoule of Atracurium! It has been selected out as a useful, potent, predictably degrading drug with a very stable side effect profile! Althought, it might be that, whilst Cisatracurium probably sounded like a great idea at the time... it was perhaps batting for a marketing USP that wasn't quite there.. If we were being particularly clever we cou...

Mivacurium + mischief with plasma cholinesterase 06.02.2026

Mivacurium, a drug that is perhaps not found in your cupboard anymore! It does have a number of interesting properties, which does make it a worthy exam question and a useful example of geometric isomerism! Listen to find out more Show notes at: https://gasgasgas.uk/mivacurium ================================================ GasGasGas - Covering Anaesthetic Science for Anaesthetists! Sponsored by...

A not so brief jaunt with Oxygen, toxicity, exploding cylinders + heli-ox vs sulphur hexafluoride gas. 23.01.2026

The ubiquity of oxygen in the curriculum is directly correlated with its importance! One of many episodes that focus on the facets o knowledge needed to understand how oxygen does its thing.  Today, when too much oxygen is a bad thing, how it is obtained, transported in hospitals and the negative implications of its use + some history that I know you all deeply desire! Show notes at: https://gasga...

Nitrous Oxide: Anaesthetic Mechanisms, B12 Toxicity and Safe Storage 09.01.2026

Nitrous Oxide, once a corner stone of 'passing the gas' has been progressively displaced by better agents, think sevoflurane with less PONV, remifentanil for rapid titratable pain relief and even desflurane for its speedier offset. This episode handles everything you need to know and more for the exams! Show notes at: https://gasgasgas.uk/ether_enflurane_explosions/ ===============================...

Ether, Enflurane and Explosions for 'Victorian' Anaesthetists 29.12.2025

The 2025 Bumper Christmas Special, delving into the delights of Ether, Enflurane and Explosions (+ fires, flames and/or power metal) We find out a little bit about the first Ether anaesthetic, and then get to grips with what an explosion is, and why understandably, it was problematic for anaesthetists. Show notes at: https://gasgasgas.uk/ether_enflurane_explosions/ ================================...

Desflurane Anaesthesia: Tec6 Vaporiser & Clinical non-Applications 12.12.2025

I've checked the house, there are no polar bears so we should be fine to talk about this drug. Desflurane is pricey, polar bear poison that you may get examined on! Check it out! Show notes at: https://gasgasgas.uk/desflurane-and-vapourisers/ ================================================ GasGasGas - Covering Anaesthetic Science for Anaesthetists! Sponsored by Teach me Anaesthetics Check out the...

Halothane: Historic Volatile Anaesthetic & Hepatotoxicity for FRCA 28.11.2025

With the advent of halothane, smoking, static and other sizzling was back in style! Gone were the explosive diethyl ether, acetylene, trichloroethylene and cyclopropane anaesthetics of the 1950's and with it a new era of fewer explosions, and possibly a greater prevalence of post operative liver distress. Show notes at: https://gasgasgas.uk/halothane/↗ =============================================...

Sevoflurane: Volatile Anaesthetic for Inhalational Induction & Maintenance 14.11.2025

Having a solid understanding of Sevoflurane is, as you might expect, quite important for the FRCA primary and your career. as it is likely the most commonly used volatile anaesthetic agent, at least in the UK. Show notes @ https://gasgasgas.uk/sevoflurane-for-the-frca-primary/ ================================================ GasGasGas - Covering Anaesthetic Science for Anaesthetists! Sponsored by...

Isoflurane: Halogenated Volatile Anaesthetic Agent Pharmacology 31.10.2025

This Primary FRCA podcast episode introduces you to Isoflurane, a ubiquitous and fairly cheap volatile anaesthetic agent that always seems to be left alone while its sevoflurane friend lives the high life, This episode probably won't sway your use, but if you walk into an anaesthetic halfway thru and have no idea what your ET for MAC-1 is, then this is for you! GasGasGas - putting knowledge in you...

Introducing Volatile Anaesthetic Agents! MAC, Blood-Gas Solubility & the 'Ideal Agent question' 17.10.2025

This Primary FRCA podcast episode introduces you to Volatile anaesthetic agents and the pharmaceutical particulars that make their behaviour through a human very interesting! We cover Blood gas and oil gas partition coefficients, Saturated vapour pressure, critical temperature and boiling points - and touch on pharmacodynamics and the Viva Question 'What is the ideal anaesthetic agent' approach. S...

Opioids Quiz: FRCA Primary Exam Viva Practice & Comparison Tables 13.10.2025

Yet again, the sound engineer has been sacked........ Apologies that this is a second attempt at an Opioids Quiz, the music cuts went rather wrong - so we've slung the music in the bin! This is a straight up quiz, with gaps so you can think up an answer and then, as you might expect... an Answer! The goal isn't to give you verbatim words to regurgitate but to build up these facts in your mind so t...

Clonidine: Alpha-2 Agonists + Mechanism of Action 03.10.2025

Clonidine is a drug found in many a cupboard, acting as a useful adjunct for pain, sedation and having utility in smoothing out post op emergence, it has off license use as a adjunct in regional and neuraxial blockade (at least in the literature!) Show notes at: https://gasgasgas.uk/clonidine/ ================================================ GasGasGas - Covering Anaesthetic Science for Anaesthetis...

Dexmedetomidine in Anaesthesia: Sedation, Anaesthesia & Regional Techniques 26.09.2025

Dexemedetomidine is a drug that it seems we are really only just getting our hands on in the UK, it is an Alpha 2 AGOnist causing sedation, anxiolysis and analgesia.  This episode of GasGasGas explores its use, mechanisms side effect profile and kinetics Show notes at: https://gasgasgas.uk/dexmedetomidine/ ================================================ GasGasGas - Covering Anaesthetic Science fo...

Midazolam: Sedation & peri-Anaesthetic uses + GABA Receptors 19.09.2025

Midazolam represents the cornerstone benzodiazepine in perioperative medicine, offering rapid onset sedation, anxiolysis, and amnesia with predictable pharmacokinetics. Understanding its mechanism, dosing strategies, and clinical applications is fundamental for safe anaesthetic practice and optimal patient care. Show notes @: https://gasgasgas.uk/midazolam/ ========================================...

Etomidate Anaesthesia: Pharma, Adrenal Suppression & Clinical Use 12.09.2025

Having an Iota of a Scooby-Doo about Etomidate is perhaps what is required for the FRCA primary exams. We've gone into naturally more detail when we're talking Etomidate for gasgasgas, because we love a bit of detail. This episode covers the pharmacodynamics and pharmacokinetics of Etomidate, but also explores briefly steroidogenesis and what the implications of this is clinically. GasGasGas - put...

Stereoisomers & Chirality: Pharmacology Fundamentals for FRCA Primary 05.09.2025

Understanding molecular stereochemistry is fundamental to modern anaesthetic practice. The three-dimensional arrangement of atoms within drug molecules directly impacts their pharmacological properties, with some arrangements being therapeutically beneficial while others may be inactive or even harmful. This episode explores the concept of isomerism in anaesthetic drugs, with particular focus on h...

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