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Jan 5, 2021 6 tweets 2 min read Read on X
A few years ago a 59-year-old man walked into a hospital in eastern France and asked to see a doctor. He had no symptoms, but said he had been advised to get an X-ray. This is it: Image
A lateral view gives a slightly clearer view of a foreign body in the lower lobe of the left lung. What could it be? Image
A dental drill bit! The patient explained that a little earlier his dentist had accidentally dropped it in his mouth and he had inhaled it. It had caused no immediate trouble but the dentist, aghast, told him he needed to get it extracted ASAP. 😱 Image
An initial attempt to visualise it with a flexible bronchoscope failed, but it was eventually located using a smaller paediatric bronchoscope. It was deep in the lung but luckily had fallen with the drill bit uppermost - it might easily have caused massive haemorrhage. Image
Extraction using forceps and flexible bronchoscope was straightforward - which is just as well. This is not the sort of object you want inside your lung. The patient was able to return home, in good health, 24 hours later. Image
The full case history (in French) is here: em-consulte.com/revmalrespir/a…

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More from @thomasngmorris

Oct 28, 2022
Today is the 150th anniversary of a historic operation performed by this surgeon - George William Callender. Few people know his name now, but Callender was once described as the first person to operate on the human heart.
Callender was born in 1830 in Bristol and won a scholarship to St Bartholomew's Hospital in London. Smart both intellectually and sartorially, he amused the other students by always insisting on changing into evening dress for dinner - even when dining alone.
On October 28 1872, Callender was on duty at @BartsHospital when a 31-year-old man arrived on the ward. He had previously been examined at the hospital and told that nothing was wrong with him - but after nine days of severe pain he decided to return. Which was just as well.
Read 15 tweets
Dec 31, 2021
There's a lot of stuff on Twitter at the moment about Covid-related science communication, good and bad.

So this seems a good time to share a interesting example of a scientific urban myth that I've just come across. Here's a short THREAD.
On my morning walk I was listening to a 2013 edition of @BBCRadio4's reliably funny panel show The Unbelievable Truth. At one point in this programme, the presenter @RealDMitchell's script asserts that: Image
"In 2005, scientists at the University of Groningen revealed that men and women find it easier to achieve orgasm whilst wearing socks. The scientists believe this is because the couples were more comfortable and therefore more relaxed when they didn’t have cold feet." Image
Read 14 tweets
Sep 9, 2021
Cardiac surgery is 125 years old today! On September 9 1896, the German surgeon Ludwig Rehn performed the first successful operation on the human heart.
Born in Allendorf, Germany, in 1849, Rehn had an unusually varied career. While working as a GP near Frankfurt he noticed that workers at a local chemical works were prone to bladder cancer - deducing that the cause was a chemical they worked with, aniline.
But he's better known for this famous paper, published in 1897. It begins: "In a desperate case of a stab wound of the right ventricle, I was forced to operate because of persistent bleeding." A sentence that heralded the era of cardiac surgery.
Read 13 tweets
Sep 2, 2021
How did Alexander Graham Bell and Wilhelm Roentgen contribute to a historic surgical operation that took place 125 years ago next month? Here's a THREAD about a presidential assassination, the inventor of the telephone, and the evolution of medical imaging.
The story begins on July 2 1881, when President James Garfield was shot at point-blank range while waiting for a train in Washington D.C. His attacker was immediately arrested, but the President was gravely wounded.
Over the next few weeks, President Garfield's life hung in the balance. His doctors wanted desperately to remove the assassin's bullet, but had no idea where it had ended up, and no means of finding out.
Read 25 tweets
Jul 2, 2021
Just stumbled across some fantastic photos of the RAF Symphony Orchestra's 1944-5 tour of the USA. Including my dad, aged 24, who played the flute in the orchestra and the RAF Central Band throughout the war. @RAFMusic Image
Standing to the left of my dad is, I think, the celebrated horn player Dennis Brain, taking a photo of his own. Image
Aficionados of 20th-century British music may notice other great names here including the conductor Norman del Mar, bassoonist Cecil James, and violinists Sidney Griller and Frederick Grinke. Image
Read 4 tweets
Jan 23, 2021
This historic document is the first electrocardiogram (ECG), recorded in 1887 by the British physiologist Augustus Desiré Waller. Image
By the 1880s, experiments had already shown that electrical activity played an important role in cardiac function. In 1878 John Burdon-Sanderson demonstrated the sequence of tissue depolarization and repolarization that accompanied the beating of a frog's heart. Image
In 1885, Waller (r) started to investigate electrical activity in animal hearts using a Lippmann capillary electrometer, an instrument which employed a column of mercury to detect electrical current. Tiny deflections in the height of the column were observed through a microscope. ImageImage
Read 12 tweets

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