Category Archives: News

Capnography for small patients, how low can you go?

Capnography is an essential element when anaesthetising  patients to help you achieve a positive outcomes for your patients and especially those more dangerous neonatal or small ones. This was highlighted in a recent article in the Veterinary Times (Vol 46 No5) by Carrington-Brown and Walsh.

VM-2500-M mainstream capnography with low dead space low resistance airway adapter

The article states “Capnography can be used to aid the monitoring of ventilation and cardiac output”, both of which are critical parameters.
It continues, “There may be some inaccuracy because of the small tidal volume of neonatal patients when side- stream monitoring is used”.

We absolutely agree; when your patient has a small tidal volume, you have to question the value of removing a constant sample of 125ml/minute for a monitor that probably won’t give you accurate data.

Then comes the contentious bit: “mainstream monitors will be more accurate but the size of the sampling unit may increase dead space and produce physical drag”.This is where we disagree.

The older human capnographs (2nd hand) and the cheaper Chinese units sold as “veterinary monitors” certainly do suffer from this problem, but the VM-2500-M mainstream capnograph from Thames Medical has a neonatal dead space of just 0.6ml. With such low resistance, even the author (90kg with a tidal volume of 620ml) can breathe through it without too much discomfort.

To ease the minds of the nursing and veterinary staff that I work with, I ask them to breathe through the airway adapter themselves and I haven’t lost one yet!

The logic is simple; we want to monitor our smaller patients because they are the risky ones, they are the ones that can have problems and so we need to buy a Capnograph. So lets buy the cheapest we can find….NO……spend the extra £500, buy the piece of kit that will actually work properly on these very small patients that you need to be really careful with, from the people who actually know their subject and can support both your equipment and your staff. Buy a  VM-2500-M mainstream Capnograph from Thames Medical.

The VM-2500-M is not the cheapest but the best and probably the only piece of kit that can actually accurately monitor the small risky patients.

Ask yourself which would you want for your own pet’s anaesthetic? The cheaper one, that might, if you are lucky, get some (all-be-it inaccurate) data? or the top-of-the-range unit that will capture accurate data for all sizes and species?

Why settle for anything less? Buy a VM-2500-M mainstream Capnograph from Thames Medical. or call us for details.


Tour de Vet goes on TV!

It had been a cold wet and windy day from the Bath Vet Referrals day at Blagdon to Emersons Green. Followers of Tour de Vet will know this seems to be standard weather, but this time we were also told to be prepared not just to discuss Feline Medicine with the fabulous team at Emersons Green Vet Practice (last year’s Tour de Vet departure practice) but to do interviews with local TV!

Margie prepared herself for her lecture, whilst Mike stayed wet and in kit, to film the arrival shots you can see the results here:

One wheel on our wagon, Tour de Vet2, week 1

It has been a week now since Tour de Vet 2 on behalf of (Cats Protection) started, and what a week both Margie and I have had.

Thanks to our charitable partners Onswitch, thank you Alison and Donald, we  were ferried to our starting point in Truro in some style.


Day 1, after Margie spoke with Clifton Villa Vets, the trailers were loaded, kit donned and off we set to our first overnight at a little B&B in Bocaddon and easy 30 odd miles, right? WRONG!!

After 7 hrs, one broken axle (overweight trailer) and an unsubtle dismount by Mike, we finally arrived wet and bedraggled after been blasted by gale force winds. It is said by people who cycle from Lands End to John O’Groats that the first legs are the hardest, they are.


Day 2 dawned…and despite shedding half our kit (we thought we had been travelling light to start with) we set off into the weather towards Plymouth Veterinary Hospital, where Margie spoke about Liver Disease, and then Felix1 and Felix 2 were idENTICHIPPED and scanned.

reflection-felixDay 3 where after an evening being looked after by Barry the cat, some running repairs to trailers, inspected and approved by Barry we headed over the hills to Kingsteignton, where we welcomed some vets from some other practices. A night spent in a charming cottage with 3 cats (thank you Petra) had us geared up for the next day.

Day 4, where else would you find a road that wasn’t a road and be whisked Back to the Future, we we would have been had I been able to turn it on. Vale Vet at Cullompton showed us they were very much a part of the present, before escorting us to the most fabulous restaurant/pub, the Mitre in the middle of Witheridge.




bidefordDay 5, met after breakfast by Jon and Bill from Torbridge Vet Group, who escorted us all the way past “Nowhere” to Bideford, where despite it being a Saturday, we were met by a very lively and positive team for an Anaesthesia workshop.

one-wheelDay 6 began with the blown bearing on one of the trailers!, Margie graciously sacrificed her trailer wheel so we could continue to Taunton now with just one wheel on the Tour de Vet wagon!


Tour de Vet – The Final Push!!

rhydFantastic session at Ryhd Broughton Vets….

@ThamesMedical enjoyable CPD, learnt a lot. Thank you and good luck on com-pleting your challenge, raising lots of money for @canine_partners Continue reading