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  1. #1
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    anyone gotten dizzy changing a bike tube?

    i was just pulling out a michelin tube and inflating it and started to pass out.
    i'm wondering if there's something on the tube or if something is wrong with me.
    felt like i did a whipit...i have a regular manual pump.

  2. #2
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    Only when I was hungry.

  3. #3
    Hoosier in Exile Jose Mandez's Avatar
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    What do you mean by "regular manual pump?" Is it a floor pump, a frame pump, or a mini pump? I know I've become very very tired pumping up a tube with a mini pump, ergo, I don't use them any more. While infinitely better than the alternative of carrying nothing, they are just too inefficient to rely on, especially for high-mileage riders. Floor pumps are generally very easy to use but are bulky, and frame pumps are generally a good trade-off between efficiency and portability.
    -Jose Mandez

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  4. #4
    Senior Member AltheCyclist's Avatar
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    You should use the pump to inflate the tube - if you blow up a tube by mouth, you might feel dizzy after a while

  5. #5
    Senior Member BWWpat's Avatar
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    Has it happened more then once?

  6. #6
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    I'm guessing your head is down while pumping then you quickly lift it up when you are done. Head rush.

  7. #7
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    basically what i'm asking is is there anything on the rubber that would cause dizziness...and that i'm not getting dizzy from air cartridges.
    wasn't really exerting any force...just started passing out.
    think it's something wrong with me so i'm calling doctor.

  8. #8
    Bikaholic blamp28's Avatar
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    Quote Originally Posted by Athanasius P. View Post
    just started passing out.
    think it's something wrong with me so i'm calling doctor.
    Good plan. Never got dizzy in any way working on a bike. Hope you are OK.
    Trek Fuel XC MTB, Giant OCR Road Bike, Rans Screamer - Tandem

  9. #9
    Senior Member longbeachgary's Avatar
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    Quote Originally Posted by AltheCyclist View Post
    You should use the pump to inflate the tube - if you blow up a tube by mouth, you might feel dizzy after a while
    My thoughts exactly.

  10. #10
    rebmeM roineS JanMM's Avatar
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    Latex tube. Latex allergy? (Probably no latex in the tube.)
    Postural hypotension from bending/squatting down then standing up?
    Agree good plan to check with physician.
    RANS V3 (steel), RANS V-Rex, RANS Screamer

  11. #11
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    Latex allergy?

  12. #12
    Senior Member Capecodder's Avatar
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    Why not go see your doctor, and what is a Whipit?
    Amy, I'll always remember you...... I miss you so much, for you filled my days with so much joy.

  13. #13
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    not dizzy usually pissed

  14. #14
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    Quote Originally Posted by AltheCyclist View Post
    You should use the pump to inflate the tube - if you blow up a tube by mouth, you might feel dizzy after a while
    Beat me to it!

  15. #15
    aka Tom Reingold noglider's Avatar
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    Quote Originally Posted by ryanisinallofus View Post
    I'm guessing your head is down while pumping then you quickly lift it up when you are done. Head rush.
    This is what popped to mind for me, too. Exerting yourself while you're bent over could cause a head rush. Do you know what your blood pressure is? I get head rushes when my blood pressure is low.
    You don't read my signature anyway, do you?

    Tom Reingold, noglider@pobox.com
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  16. #16
    Constant tinkerer FastJake's Avatar
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    Quote Originally Posted by noglider View Post
    Exerting yourself while you're bent over could cause a head rush. Do you know what your blood pressure is? I get head rushes when my blood pressure is low.
    Same here. Sometimes when I stand up I go blind, so I have to sit down again until everything levels out.
    Why "derailer" is the correct way to spell the gear-change mechanism: sheldonbrown.com/derailer.html

  17. #17
    aka Tom Reingold noglider's Avatar
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    Yup, I go blind for a few seconds often. It happens sometimes when I go up stairs fast, which is always. I always take steps two at a time when going up.
    You don't read my signature anyway, do you?

    Tom Reingold, noglider@pobox.com
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  18. #18
    Member Eprobungs's Avatar
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    Sounds like Iron deficiency induced anemia.



    You guys better watch your diet

  19. #19
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    Quote Originally Posted by Capecodder View Post
    Why not go see your doctor, and what is a Whipit?

    A whipit is breathing nitrox oxide to get high. Nitrox oxide is the propellant in whipped cream cans, or it comes in co2 cylinders used in those home whipped cream dispensers/makers. Have you ever had nitrox at the dentist? You get light headed!

    Mr Gnome

  20. #20
    Senior Member Looigi's Avatar
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    Quote Originally Posted by FastJake View Post
    Same here. Sometimes when I stand up I go blind, so I have to sit down again until everything levels out.
    Yep. Me too, since I was a little kid.

    http://en.wikipedia.org/wiki/Orthostatic_hypotension

  21. #21
    Senior Member AltheCyclist's Avatar
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    Quote Originally Posted by Capecodder View Post
    Why not go see your doctor, and what is a Whipit?
    I believe *whipit* is slang for nitrous oxide (aka "laughing gas") containers. The small N2O containers are made for use at restaurants as whipping cream aerosol refills (thus, etymology of term, "whip").
    They're sold as inhalants at head-shops for kids to get high. I assume the OP has experience with these.

  22. #22
    Senior Member BCRider's Avatar
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    A latex allergy would not cause a loss of blood to the brain. Just skin reactions at the points of contact much like poison ivy. Going faint like that would be either a low blood pressure head rush as mentioned (I used to have borderline low BP and got them quite often) or a new developing condition. You're wise to have made an appointment for a checkup.
    Model airplanes are cool too!.....

  23. #23
    Senior Member TromboneAl's Avatar
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    Quote Originally Posted by ryanisinallofus View Post
    I'm guessing your head is down while pumping then you quickly lift it up when you are done. Head rush.
    This is worse when dehydrated. So my guess is that you were on a ride, you didn't drink enough, you got a flat, sat down to work on it, jumped up to pump, and got light headed.
    My Book: Drive, Ride, Repeat: The Mostly-True Account of a Cross-Country Car and Bicycle Adventure

  24. #24
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    the doctor sent me to the ER.
    turns out i was dehydrated, but also have a right bundle branch block in my heart.

  25. #25
    Senior Member BCRider's Avatar
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    OUCH! My best wishes for a good and speedy recovery as I'm assuming they'll want to perform an operation.
    Model airplanes are cool too!.....

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