Sign in

Cardiac Output

@cardiacoutput.bsky.social
586 followers 623 following 34 posts

Cardiac Output is a podcast on cardiothoracic anaesthesia and ICM. Mike Charlesworth and Calum Downes discuss the evidence, the controversies and the practicalities of modern practice. podcasts.apple.com/gb/podcast/cardi…

PostsRepliesMedia
Cardiac Output @cardiacoutput.bsky.social · 11h
Cardiac Output Monitoring: Believe the Patient. This episode is cardiac output monitoring, for the exam and for the bedside: how each device works, the physiology underneath, when we actually use them, and where each one misleads you. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Cardiac Output Monitoring: Believe the Patient
Podcast Episode · Cardiac Output · 2 October · 19min
000
Cardiac Output @cardiacoutput.bsky.social · 27/09/2026
Cardioplegia makes planned ischaemia survivable in five ways — arrest, cool, empty, feed and buffer, and limit reperfusion injury — and arrest does most of the work. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Cardioplegia: Stopping the Heart Safely
Podcast Episode · Cardiac Output · 27 September · 19min
000
Cardiac Output @cardiacoutput.bsky.social · 25/09/2026
This is atrial fibrillation on the cardiothoracic ICU, top to bottom. And it matters beyond the bedside: in a recent @rcoanews.bsky.social Fellowship paper it was the worst-performing question on the whole exam, with a pass rate of about 43 per cent. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
AF on the Unit: Fix the Physiology First
Podcast Episode · Cardiac Output · 25 September · 20min
000
Cardiac Output @cardiacoutput.bsky.social · 21/09/2026
TOE in Theatre: The Probe Earns Its Keep. A foundation guide on the use of TOE for cardiac surgery – EF, the RV, wires/pipes and much more! podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
TOE in Theatre: The Probe Earns Its Keep
Podcast Episode · Cardiac Output · 21 September · 15min
001
Cardiac Output @cardiacoutput.bsky.social · 20/09/2026
Today it's transthoracic echo on the intensive care unit: the views, and the patterns you are looking for in a shocked patient. @ics-updates.bsky.social @imcrit.bsky.social podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Transthoracic Echo on the Unit: Five Views and Six Patterns
Podcast Episode · Cardiac Output · 20 September · 14min
023
Cardiac Output @cardiacoutput.bsky.social · 17/09/2026
Journal Club: GLP-1 Agonists and Aspiration (GLIMPSE). Listen now! 🎧 @assocanaes.bsky.social @anaesjournal.bsky.social podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Journal Club: GLP-1 Agonists and Aspiration (GLIMPSE)
Podcast Episode · Cardiac Output · 17 September · 22min
000
Cardiac Output @cardiacoutput.bsky.social · 17/09/2026
We will be reporting live today from @assocanaes.bsky.social #AC26 as the GLIMPSE study is launched! See you at 1700! associationofanaesthetists-publications.onlinelibrary.wiley.com/doi/10.1111/... podcasts.apple.com/gb/podcast/c...
011
Cardiac Output @cardiacoutput.bsky.social · 13/09/2026
TOE for Mechanical Support 2: VADs and the Impella. People say "VAD" and mean five different machines, sitting in different places, for different lengths of time. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
TOE for Mechanical Support 2: VADs and the Impella
Podcast Episode · Cardiac Output · 13 September · 25min
000
Cardiac Output @cardiacoutput.bsky.social · 13/09/2026
TOE for Mechanical Support 1: Balloon Pumps and ECMO. In mechanical circulatory support, transoesophageal echo is not an investigation you order. It is part of the device. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
TOE for Mechanical Support 1: Balloon Pumps and ECMO
Podcast Episode · Cardiac Output · 13 September · 17min
000
Cardiac Output @cardiacoutput.bsky.social · 12/09/2026
Cardiopulmonary Bypass: What It Does to the Patient. This is cardiopulmonary bypass top to bottom, pitched at @rcoanews.bsky.social FRCA level and a little beyond, and built around the questions that have actually appeared in past papers. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Cardiopulmonary Bypass: What It Does to the Patient
Podcast Episode · Cardiac Output · 12 September · 23min
000
Cardiac Output @cardiacoutput.bsky.social · 11/09/2026
Intra-Aortic Balloon Pumps: Timing, Traces and Trials. The answer isn't to ignore the evidence — it's to notice what the trials actually studied, which was routine, unselected use in two specific shock populations. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Intra-Aortic Balloon Pumps: Timing, Traces and Trials
Podcast Episode · Cardiac Output · 11 September · 28min
010
Cardiac Output @cardiacoutput.bsky.social · 07/09/2026
Today, we are featuring the @ITACStrial by @TobyRichardsUEL et al. published recently in @bmj_latest. Probably the most important cardiac anaesthesia trial published in 2026 so far? We think so! cardiacoutput.podbean.com/e/journal-cl...
cardiacoutput.podbean.com
Journal Club: Iron Before Cardiac Surgery (ITACS) | Cardiac Output
Something different this episode. No 3am emergency — instead, a pre-assessment clinic on a Tuesday afternoon, a woman booked for an aortic valve replacement in six weeks, and a haemoglobin of 118. Do ...
000
Cardiac Output @cardiacoutput.bsky.social · 05/09/2026
Protamine: The Most Dangerous Drug We Give Every Day. Cardiac surgery consumes around ten per cent of the entire NHS blood supply, and ninety per cent of those products go into ten per cent of patients. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Protamine: The Most Dangerous Drug We Give Every Day
Podcast Episode · Cardiac Output · 5 September · 18min
000
Cardiac Output @cardiacoutput.bsky.social · 04/09/2026
Bleeding After Cardiac Surgery: Products, TEGs and HIT. Mike takes a deliberately unfashionable position on the TEG and defends it, and Calum pushes back. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Bleeding After Cardiac Surgery: Products, TEGs and HIT
Podcast Episode · Cardiac Output · 4 September · 22min
000
Cardiac Output @cardiacoutput.bsky.social · 30/08/2026
Delighted to receive a mention in @assocanaes.bsky.social Anaesthesia News🎙️ The rule we set ourselves is that anything a listener could find in a textbook gets thirty seconds, and the remaining time goes to the things you would otherwise only learn by being in the room.
020
Cardiac Output @cardiacoutput.bsky.social · 29/08/2026
Endocarditis Surgery: Timing, Bleeding and Vasoplegia. Prosthetic valve endocarditis carries around a 27% one-year mortality, with device-related disease closer to a one in four risk of not getting home at all. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Endocarditis Surgery: Timing, Bleeding and Vasoplegia
Podcast Episode · Cardiac Output · 29 August · 20min
020
Cardiac Output @cardiacoutput.bsky.social · 28/08/2026
In this episode Mike and Calum work through infective endocarditis -why it presents so differently now -how it gets diagnosed -the traps that make it harder than it needs to be. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Endocarditis for Residents: Cultures, Criteria and Echo
Podcast Episode · Cardiac Output · 28 August · 18min
010
Cardiac Output @cardiacoutput.bsky.social · 15/08/2026
TAVI for Residents: Evidence, Rapid Pacing and Sedation. "And here's what I'd add, which matters more than any drug choice. Be deliberate. Be patient. Be gentle." @dasresidents.bsky.social @anaesresidents.bsky.social @assocanaes.bsky.social podcasts.apple.com/gb/podcast/c...
000
Cardiac Output @cardiacoutput.bsky.social · 13/08/2026
What Would You Do? Cognitive Bias in ECMO Decisions. If you never go looking for the unknown unknowns, the only way you'll ever find them is by making the mistakes yourself. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
What Would You Do? Cognitive Bias in ECMO Decisions
Podcast Episode · Cardiac Output · 13 August · 17min
000
Cardiac Output @cardiacoutput.bsky.social · 12/08/2026
Check the Tube. Then Check It Again. Mike and Calum work through thoracic and cardiac airway management, and a couple of scenarios that will catch you out badly if you haven't thought about them first. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Check the Tube. Then Check It Again.
Podcast Episode · Cardiac Output · 12 August · 15min
010
Cardiac Output @cardiacoutput.bsky.social · 09/08/2026
TAVI for Residents: Evidence, Rapid Pacing and Sedation. Everybody asks how you anaesthetise a patient for a TAVI. The answer takes about four seconds: it's lidocaine into the groin. Podcast done? @lachiemiles.bsky.social podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
TAVI for Residents: Evidence, Rapid Pacing and Sedation
Podcast Episode · Cardiac Output · 9 August · 22min
110
Cardiac Output @cardiacoutput.bsky.social · 08/08/2026
Empty, Not Vasoplegic: Aortic Stenosis After Surgery. Your general intensive care instinct says work out why they're vasoplegic and turn the pressors up. In this specific patient, that instinct is wrong. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Empty, Not Vasoplegic: Aortic Stenosis After Surgery
Podcast Episode · Cardiac Output · 8 August · 20min
000
Cardiac Output @cardiacoutput.bsky.social · 07/08/2026
Our first episode covered veno-venous ECMO the way it gets examined. This episode is everything we didn't say — not the physiology, but the service. How ECMO got here, who actually says yes to a referral, and the things that genuinely shorten a run. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
VV-ECMO for Residents: Candidacy, Runs and Oxygenators
Podcast Episode · Cardiac Output · 7 August · 20min
000
Cardiac Output @cardiacoutput.bsky.social · 04/08/2026
Think Aorta: Hypertensive Emergencies and Dissection. Mike and Calum work through hypertension and the acute aortic syndromes as they actually present — the intensive care half of the topic. @THINK__AORTA @ThinkAorta podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Think Aorta: Hypertensive Emergencies and Dissection
Podcast Episode · Cardiac Output · 4 August · 19min
000
Cardiac Output @cardiacoutput.bsky.social · 03/08/2026
Heart and lung transplants: 48 hours in ICU. When these patients fail, it happens almost without you noticing, and by the time you've understood the trajectory you're reopening the chest. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Heart and Lung Transplants: The First 48 Hours in ICU
Podcast Episode · Cardiac Output · 2 August · 25min
000
Cardiac Output @cardiacoutput.bsky.social · 01/08/2026
Heart and lung transplants: 12 hours in theatre. In this episode Mike and Calum work through heart and lung transplantation from the listing call to the handover on the unit — the twelve hours in the middle. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Heart and Lung Transplants: The Twelve Hours in Theatre
Podcast Episode · Cardiac Output · 1 August · 28min
021
Cardiac Output @cardiacoutput.bsky.social · 26/07/2026
Vasoplegia, SAM and pacing. Your noradrenaline is climbing, and climbing, and the pressure still won't hold. The tank's the right size and the pump is working — so what do you reach for next? podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Cardiac Theatre for Residents: Vasoplegia, SAM and Pacing
Podcast Episode · Cardiac Output · 26 July · 17min
030
Cardiac Output @cardiacoutput.bsky.social · 26/07/2026
In this episode Mike and Calum work through heart failure and mechanical circulatory support the way it actually plays out on a cardiothoracic ICU. How you know the output is low, what the devices really do, and how to escalate before it's too late. podcasts.apple.com/gb/podcast/c...
000
Cardiac Output @cardiacoutput.bsky.social · 25/07/2026
In genuinely severe ARDS, in the right patient, at an experienced centre, as an escalation after you've maximised conventional therapy including proning — ECMO probably saves lives. Not a magic wand. But not smoke and mirrors either. podcasts.apple.com/gb/podcast/c...
000
Cardiac Output @cardiacoutput.bsky.social · 24/07/2026
Mike and Calum work through heart failure and MCS the way it actually plays out on a cardiothoracic ICU: how you know the output is low and what the devices really do. This is the intensive care half of the topic — the theatre half is coming soon..... podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
Mechanical Circulatory Support in ICU: Cardiac Output, VA-ECMO and VADs
Podcast Episode · Cardiac Output · 24 July · 18min
000
Cardiac Output @cardiacoutput.bsky.social · 24/07/2026
Recirculation, desaturation, line chatter and the failing oxygenator. In this episode Mike and Calum work through veno-venous ECMO the way it actually gets used on an ICU: what it does, who it's for, and the things that catch people out at the bedside. podcasts.apple.com/gb/podcast/c...
podcasts.apple.com
VV-ECMO for Residents: Physiology, Evidence, Troubleshooting
Podcast Episode · Cardiac Output · 22 July · 19min
000
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 12/06/2025
Welcome to our new series - Core Topics in Anaesthesia "Anaesthesia support for transcatheter heart valve interventions: a narrative review" #AnSky doi.org/10.1111/anae...
276
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 27/05/2025
Editorial: Rapid sequence induction: a modern-day example of Theseus' Paradox? Stept and Safar described ‘rapid induction/intubation’ in 1970. PUMA recently issued a consensus statement on RSI. Let's compare. @sthjournalclub.bsky.social #AnSky #AirwaySky doi.org/10.1111/anae...
4134
Reposted by Cardiac Output
Pete Hart @intensiveperson.bsky.social · 28/05/2025
A long overdue (but topical), nuanced and thorough discussion of "RSI" whose final conclusion I happen to entirely agree with. Well done @sthjournalclub.bsky.social
043
Reposted by Cardiac Output
Ben Morton @benmorton.bsky.social · 12/05/2025
Congratulations to Navniel Kaur, our excellent international editorial fellow @anaesjournal.bsky.social, based in Kenya and supported by @assocanaes.bsky.social on publication of this manuscript: associationofanaesthetists-publications.onlinelibrary.wiley.com/doi/epdf/10....
associationofanaesthetists-publications.onlinelibrary.wiley.com
An analysis of publication trends in Science Letters published in Anaesthesia
Click on the article title to read more.
132
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 12/05/2025
We have started a WhatsApp channel! Come and join us! ‎Follow the Anaesthesia Journal channel on WhatsApp: whatsapp.com/channel/0029...
whatsapp.com
Anaesthesia Journal | WhatsApp Channel
Anaesthesia Journal WhatsApp Channel. Anaesthesia is the official journal of the Association of Anaesthetists with comprehensive coverage in peri-operative medicine, critical care and pain. IF 7.5. 46...
11714
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 10/03/2025
We are recruiting for Editorial Fellows for Anaesthesia and Anaesthesia Reports! Did you know - FIVE of our current Editors completed the journal fellowship!? Could you be next? Submit your application by 6 June 2025. #AnSky
034
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 11/03/2025
Editorial: It's not (all) about the bike: making pre-operative risk stratification equitable @mikecharlesworth.bsky.social #AnSky associationofanaesthetists-publications.onlinelibrary.wiley.com/doi/10.1111/...
055
Reposted by Cardiac Output
Iain Moppett OBE @iainmoppett.bsky.social · 13/02/2025
Anyone got any more anaesthesia ‘rules’? Original list came via @mikecharlesworth.bsky.social I think. #AnSky
7115
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 31/01/2025
Want to know more about GLP-1 RAs and SGLT2 inhibitors? We have a treat for you! Check out this excellent podcast with Kariem El-Boghdadly and Ketan Dhatariya! @elboghdadly.bsky.social #AnSky #MedSky #GLP1 buff.ly/4hkSCLg
buff.ly
Peri-operative management of adults taking GLP-1 receptor agonists, GIP agonists and SGLT2 inhibitors
Podcast Episode · Rapid Sequence · 31/01/2025 · 25m
1126
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 30/01/2025
Recommendations for the peri-operative management of patients taking GLP-1 RAs and GIPs #AnSky #MedSky #GLP1 buff.ly/4ak4pa0
11815
Reposted by Cardiac Output
Stu Marshall @hypoxicchicken.medsky.social · 22/01/2025
Timeline cleanse for anaesthetists. #AnSky
Rack of anaesthetic stickers for syringes in colour order and with all the labels cut at the same level.
7555
Reposted by Cardiac Output
Anaesthesia Reports @anaesthesiareports.bsky.social · 16/01/2025
Airway trauma, one passage opens with inspiration, the other on expiration. Tissues are very oedematous. The CT scan didn't show this injury. What would you do? #AnSky #MedSky #EMSky #airway associationofanaesthetists-publications.onlinelibrary.wiley.com/doi/epdf/10....
2124
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 10/01/2025
Association of Anaesthetists guidelines: the use of blood components and their alternatives 2024 doi.org/10.1111/anae... #AnSky #HaemSky #MedSky
1127
Cardiac Output @cardiacoutput.bsky.social · 12/01/2025
Not to brag but 2024 was also my hottest year on record 😎
130
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 22/11/2024
Being a 'good rescuer' is: • counterintuitive eg the advice to stand back & analyse rather than pile in & do something • counter-cultural eg using checklists rather than relying on memory Specific rescuer training would reinforce these skills. #AnSky #MedSky #HFESky buff.ly/3COBTjM
32510
Reposted by Cardiac Output
Anaesthesia @anaesjournal.bsky.social · 21/11/2024
We want to grow our 🦋 community and welcome those who are joining the #Xodus! ❤️ Follow our 'Anaesthesia Authors' and reply with a link to your publication so we can add you to our starter pack! go.bsky.app/Gp85YCx
42713