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Respiratory Disorders (Expert Forum)
Please help...scared about methalcholine challege tomorrow
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Please help...scared about methalcholine challege tomorrow
by Phix, Jul 14, 2002 12:00AM
Hi. I read some comments on here about it but I'm still worried. I'm just scared of not being able to breathe. I read one comment where the girl felt fine but function still went down 20%. I wondered if I do have problems with the test, will i be wheezing or gasping for air or something? I have panic disorder and I get very nervous about this stuff.
Please any comments would help.
Please any comments would help.
Doctor's Answer
by National Jewish, Jul 17, 2002 12:00AM
, Jul 17, 2002 12:00AM
I’m sorry that this response is coming after your methacholine challenge testing on Monday, July 15, 2002. I hope the testing went fine.
The symptoms that are possible during a methacholine challenge are wheezing, shortness of breath, coughing, and/or chest tightness. Generally the problems that you have during the methacholine challenge are similar to the breathing problems you have been having. It would be the same problems that caused your doctor to order this test.
The symptoms that are possible during a methacholine challenge are wheezing, shortness of breath, coughing, and/or chest tightness. Generally the problems that you have during the methacholine challenge are similar to the breathing problems you have been having. It would be the same problems that caused your doctor to order this test.
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My husband had the methacholine challenge at National Jewish in May 2002, where he was carefully monitored as EVERYONE who has such tests are (the test confirmed his asthma diagnosis). Basically, what happens is you take a full inhalation and then exhale into a tube which is connected to a spirometry machine which gives you some readings. You then breathe a carefully measured dose of methacholine, wait a short period of time, and then take the spirometry test again. If your readings are still the same as they were originally, you are given another carefully measured dose of methacholine, wait again, and re-tested.
They STOP giving you methacholine when your lung function measurements fall and immediately administer a bronchodilator, wait and re-test you until your lung function is where you started before the test. It is a very carefully monitored test and nothing to be scared of! The folks who administer the test know what they are doing and are very careful that your lung function is as good when you leave as it was when you started the test!
Aloha,
Starion
Really, just try to relax (I know easier said than done), but really, my husband agreed that it was just fine. It is very carefully and well-supervised. They DO watch your reactions and take prompt measures to keep your lung function at good levels.
Aloha,
Starion