An MRI is pretty loud! It sounded to
me like some kind of pneumatic tool
contest. It was fun trying to identify
the particular tool being run at the
moment. Was that a jackhammer,
Impact wrench, Air drill, die grinder
drop hammer or what? Foam plugs
helped a lot.. ;>)} pdk
At very high levels of noise the sound transmits right through the bone
structures and you go deaf.
So the answer to the original [poorly stated question] which is better? is
Reworded to at some range/type of noise, which is better? Now that's a
Someone gave me these orange foam plugs. They seem to cut 12-15 dB, or cut
down the sound less than 1/2 . Ok for cutting the lawn, but hardly enough
to eliminate sounds. Open cell foam, so you don't screw up.
No. 3dB cuts sound less than 1/2 . DB is power.
It takes 10dB increase to make sound twice as loud, which actually converts
to about 3 times the intensity expressed in volts , because thats how the
ear responds. It's not all that simple, because of various levels and
frequency, thus the Fletcher monson curves.
Maybe not, but I'm hoping to fall asleep. If it werent' for the
claustrophobia, I'm sure I could ignore the noise. the small space,
the noise, the instruction not to move combined are a problem.
Anyhow, I brought my own foam ear protectors and my own face mask, and
the face mask wasnt' as cheap as I remembered, (two elastic bands and
plenty srong) so I used than so they didn't have to waste theirs, but I
took the ear plugs becacuse people here said they ge old and hers were
With the foam in place correctly, I had a hard time hearing what she was
saying. She had to come closer and face me. (I think everyone read lips
a little bit.)
I used only one thin pillow so my face as far as possible from the top,
and most importantly I avoided looking at the machine and I didn't take
the mask off even a bit aftrer i lay down, when there was nothing above
me. I felt the table move, but it seemed like only 6 inchesf. It must
have been a very quiet table.
So not knowing I was in the tunnel was a big help. It was also more
open than the other open one totally open to my left, from under by back
to at least 30" high. I think the ring was a lot shorter too. More
liek a real doughtnut than the tub toilet paper comes wrapped on.
Which means easier to get out. I've also lost 20 pounds so I'm more
agile and can lift myself more easily. (90 more pounds to go.)
She gave me a hand-held buzzer so I wouldn't have to screeam like last
At about 40 minutes she wanted to know something, I forget and said it
was only going to take 20 more minutes. I think I really did fall
asleep for that part.
Strangely, though I didnt complain, the someone (the doctor?) chaned the
instructions on the piills from 90 minute in advance to 60. Then they
delatyed me further by saying the test would start late. I finally
found out how much late. 5 minutes. I said i need 60 minutes or the
pills to work, like the doctor wrote on the instructions. She said< No
you don't. They work fasther than that. Who to believe.
I hope this is the last ime.
Uh - huh.
The foam is comfortable and convenient. Sometimes at 65MPH with the
top down I use it because wind noise is bad. Below 60 the wind noise
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.