Have you had an MRI?

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Gooberlx2

Lifer
May 4, 2001
15,381
6
91
Got to be a guinea pig when the hospital was calibrating the new MRI. Also had a CT a few weeks ago when I was passing a kidney stone.

They don't bother me. It's not unheard of to feel queasy from magnetic effects.
 

jagec

Lifer
Apr 30, 2004
24,442
6
81
AFAIK the only known physiological effect that extremely powerful magnetic fields have on people is temporary disorientation. And that's at levels well above those experienced in an MRI.

Now, if you were near a magentar, on the other hand..
 
Oct 25, 2006
11,036
11
91
I wonder if I am just very sensitive to electrical fields? It could be the machine was teetering right on the edge of the limit of dB/dt of the field gradient..B/c I def. had a few muscle spasms while I was in there. I kind of felt like I got out of a car ride in the back seat of a car that went around some windy hills and turns. It could also be that I am slightly claustophobic which caused me some stress in addition to the loud noises caused by the gradient switching on the coils causing those loud pops and clicks. I have heard some workers at my company being exposes to some permanent magnet machines in the range of like 2 Tesla getting nausea, and this machine may have been producing up to 3 Tesla, although I'm not entirely sure how strong it got. I wonder if it wasn't the magnetic field, if anything that made me feel uneasy, if it was the fact they resonate one's body with certain radio waves frequencies. Perhaps a weird reaction to that.

It was claustrophobia. Unless you have metal screws in your head, there is nothing an MRI emits that reacts with anything in the human body.
 

theshad

Member
Apr 15, 2008
113
0
71
There should be no side effects like that unless you had a mental reaction to the confides of the machine or if you have metal plates in your head you neglected to let them know about.

If he had metal plates in him that he didn't tell anyone about he would have a lot bigger problems than being a little dizzy.
 
Oct 20, 2005
10,978
44
91
How much do MRI's typically cost? I realize it probably varies depending on what you are getting imaged and stuff.

I'm probably going to need one for my lower back but my insurance blows and I have a high deductible before they will start paying/covering for any type of radiology procedure like an MRI.
 

waggy

No Lifer
Dec 14, 2000
68,143
10
81
yeah i have had two. Only issue i had is i get claustrophobic (didn't know until i did the mri).
 

z1ggy

Lifer
May 17, 2008
10,010
66
91
How much do MRI's typically cost? I realize it probably varies depending on what you are getting imaged and stuff.

I'm probably going to need one for my lower back but my insurance blows and I have a high deductible before they will start paying/covering for any type of radiology procedure like an MRI.

For my hip ~$2k.

I have good insurance though, I am only paying $200.



As far as screws go.. no I do not. It was prob claustrophobia. And also, to say an MRI does not cause reaction in the body is not true. The MRI makes the protons in your body align in a certain manner, so technically there is interaction..A change in the dipole moment.
 

BoomerD

No Lifer
Feb 26, 2006
65,716
14,117
146
I've had quite a few. Never any noticeable side effects. I've napped in the tube quite a few times over the years.
 

Jeff7

Lifer
Jan 4, 2001
41,596
19
81
I had one of my head, after I had a seizure courtesy of Wellbutrin.

The only thing of note was that it was quite breezy in the region of the chamber, so I requested a blanket.
That was really all.
 
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