Then Carl picked up what looked like a doll. He explained that, while the recovery position was suitable for both children and adults, it was not for babies. He used the dummy to demonstrate the differences.
Carl said: "I have a little rhyme: 'pain Nike Kyrie Girls
Treatment involved alternating between blows to the back and abdominal thrusts, more commonly known as the Heimlich manoeuvre.
He said: "A lot of people ask us why we change first aid practice. The more medical inquiries that are made, the more we know about getting treatment right."
Our volunteer was Gemma Taylor, the charity's regional PR officer, who Carl moved into the recovery position so that her airway stayed open.
The next topic was chest pain. This seemed easier to remember than the recovery position, as it involved sitting the patient down and asking about their symptoms and any medication.
"She said she just remembered being in training and the instructions I'd been shouting in the background while she tried to do CPR."
He has been a paid worker with the charity for six years. Before that, he helped train colleagues in first aid at Midland Mainline. Now he has helped me join the ranks of those with basic but potentially lifesaving skills.
Carl said CPR had changed in recent years, with people now advised to do more chest compressions more quickly.
"One lady told me how she had woken up one morning and her husband stopped breathing. She'd given him CPR, the ambulance had arrived and he survived.
Finally, Carl demonstrated how to put pressure on a heavily bleeding wound and how to bandage it.
"He was about a year old and he stopped breathing for about a minute. She said she just picked him up and ran outside because she just didn't know what to do.
Each year in Derbyshire, more than 20,000 children and 4,000 adults are trained in first aid by St John Ambulance, and thousands more attend courses in their workplaces.
back to me and told me they went into automatic pilot and just got on with it.
He said: "Every year, about 150,000 people in the UK die in situations where first aid could have saved them."
plays a key role as head of schools, youth and community projects.
He said: "I had a lady on a first aid course at the weekend who had decided to get training after her son fell ill two weeks before.
Then Carl moved on to cardiopulmonary resuscitation (CPR), which many know as the "kiss of life". Used when people have stopped breathing, it involves pumping their chest and breathing into their mouth.
First he showed me how to deal with someone who had fallen unconscious.
Thirdly, we dealt with choking. Carl said: "I start by asking them if they're choking. If they're able to speak and say 'yes I am' then you know that they're not."
He said many people were tempted to run for an ambulance but said: "Ideally, you should get them into the recovery position first."
in the chest, sitting is best'. I work with a lot of school pupils and I try to give them ways to remember the training without making Nike Kyrie Double Nickel it too technical."
'First aid gives you chance to make a difference'
The free demonstrations are at Calke Abbey on Saturday, Carsington Water on Sunday, Derby Market Place on Wednesday, September 21, and Hardwick Hall on Saturday, September 24, all from 10am to 4pm.
After going through the training, I told Carl my main concern was that I would forget it all if I was ever faced with a real life situation.
"The ambulance came and he was taken to hospital. He was absolutely fine, they weren't sure why he had stopped breathing."
Sitting on the floor of the Derby Telegraph canteen, Carl taught me how to deal with patients who were bleeding heavily, suffering from chest pains, not breathing, unconscious or choking.
He is hoping to promote the cause further through a series of free demonstrations over the next two weeks.
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He said: "A lot of people have come Nike Zoom Training
When I asked if he felt demoralised by the number of people, like me, without first aid training, he said it encouraged him to do more.
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