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From: Bill Sloman <bill.sloman@ieee.org>
Newsgroups: sci.electronics.design,sci.electronics.repair
Subject: Re: Favourite Test Equipment
Date: Sat, 6 Apr 2024 23:00:51 +1100
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On 6/04/2024 3:33 am, Cursitor Doom wrote:
> On Fri, 05 Apr 2024 07:49:30 GMT, Jan Panteltje <alien@comet.invalid>
> wrote:
> 
>> On a sunny day (Thu, 4 Apr 2024 11:56:23 -0000 (UTC)) it happened Phil Hobb <pcdhSpamMeSenseless@electrooptical.net> wrote in <uum4h6$kmdl$1@dont-email.me>:
>>> Klaus Vestergaard Kragelund <klauskvik@hotmail.com> wrote:
>>>> On 01-04-2024 09:01, Jan Panteltje wrote:
>>>>> On a sunny day (Sun, 31 Mar 2024 18:41:18 +0100) it happened Cursitor Doom <cd@notformail.com> wrote in <9k7j0jlnbhs8qfg5m17pium0835meean83@4ax.com>:

<snip>

>>> It's also true that you can often make do with what you have. The most
>>> important test instrument is the one between your ears.
>>>
>>> In the before times, doctors were much better with stethoscopes than they
>>> are now.
>>>
>>> But I'd sure prefer a cardiologist who could use tomography and ultrasound
>>> over the best stethoscope guy.

Tomography isn't much good in cardiology. The heart moves around during 
a tomographic scan, and it doesn't do it predictably enough for a 
stroboscopic scan to work. Somebody tried when I was working at EMI 
Central Research in the late 1970s, and it didn't work well at all.

Superfast machines may do better but ultrasound is a lot cheaper.

>> Only useful if you can read the screens, these days they train AI to find cancer in the scans.....
>> Yes I worked in an Uni hospital too.
>> How many people die each year because of medical errors?
>> https://www.cnbc.com/2018/02/22/medical-errors-third-leading-cause-of-death-in-america.html
>> Remember Jim Thompson stating 'they are giving me ... but I had a warning I was not supposed to get that'
>> Few days later he was dead.
> 
> Jim had pancreatic cancer, which is notoriously tricky to diagnose due
> to the misleading symptoms it gives rise to.

It's also hard to see - the pancreas is a small organ - and it is 
impossible to do anything about it. One of our affiliated ultrasound 
clinicians when I was at at EMI, could find it quickly and cheaply with 
ultrasound, but early detection didn't save any lives.

-- 
Bill Sloman, Sydney