Magnetic Fields

[hazelm]

If a magnetic field can form around any electrical appliance, are there large enough electric apparatuses that do form magnetic fields with strong enough force to affect persons or things nearby? 

 

Then, how about an electromagnetic field?  Or are they the same thing?  Thanks.

[hazelm]

MRI scanners use magnetic fields to realign your bodies molecules, anyone with metal implants might not be offered an MRI for safety reasons, ie MRI scanners can upset pacemakers, metal fillings, screws holding broken bones together etc. Some short term side effects are experienced by some people such as headaches dizziness nausea and fatigue.

 

An MRI scan works like what it says in this simple NHS link https://www.nhs.uk/conditions/mri-scan/ 

 

Magnetic fields can be generated by electric, and yup electomagnetic fields are the result :)

 

Hope the link is not too long :) 

So when we get into the scanner, we are

 

MRI scanners use magnetic fields to realign your bodies molecules, anyone with metal implants might not be offered an MRI for safety reasons, ie MRI scanners can upset pacemakers, metal fillings, screws holding broken bones together etc. Some short term side effects are experienced by some people such as headaches dizziness nausea and fatigue.

 

An MRI scan works like what it says in this simple NHS link https://www.nhs.uk/conditions/mri-scan/ 

 

Magnetic fields can be generated by electric, and yup electomagnetic fields are the result :)

 

Hope the link is not too long :) 

Got this message: 

Page not found.

If you entered a web address please check it was correct.

Why not browse the NHS website homepage to find services and information?

 

First time the message ever told me where elsewhere to go.  It even said NHS at the top of the page.  Yep!  I'm going.    It's clickable.  :-)

[hazelm]

Now I know why he left the room.  I thought he was hiding from the scanner.  :-)    I'll bet that whole room is a magnetic field.  Thanks.

[hazelm]

Try this link on MRI scanners its a bit longer, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1121941/ .

 

Who was he that left the room? 

That looks like the link I got when I used Google.  I couldn't find it when I went directly to NHS but that's likely my fault. 

 

"He" was probably the person using the computer in the other room.  There was also a woman there who set me all up and ready.  She stayed in the room with me.   All went well.  Thank you again.