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Bombed Methacholine Challenge

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Old 05-17-2013, 09:21 AM   #1
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Join Date: Jul 2012
Location: Boston, MA
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Player0 HB User
Bombed Methacholine Challenge

Well, as in, they wouldn't let me complete it. Has this happened to anyone else? I was feeling crummy before it even started. I've been off meds for a couple days of course and I've been feeling worse from that. But my PFTs before any saline or methacholine were completely normal. I did 5 puffs of saline and I found it challenging, all the deep breathing was really getting to me. I was getting super dizzy, I was sweating, and my pulse was in the 130s. My blood pressure was high as well. But my PFTs were still normal. So she moved on to the methacholine. I took one puff of that and it was miserable. I immediately felt it in my lungs. It was this strange 'tickling' sensation like in the center of my chest. I felt like crap. I must have looked like crap too because she stopped the testing and called the doctor. They decided to cancel the rest of the test, though I really wanted to continue. I've been waiting weeks for this damn test and I really wanted to know if I have a restrictive airway disease or not. But my PFTs after one puff of methacholine were still normal.

She mentioned that I should not have felt ANY sensation from the methacholine, so now I feel like a crazy person. It tasted awful and I definitely felt something when it went in. Maybe it was just loose stuff rattling around in my lungs, but I felt something. Anyway, I had only mentioned it, it hadn't really bothered me. They stopped the tests, not me. They didn't give me a chance to see if I felt it again a second time.

Has anyone had any experiences remotely like this?

I haven't heard from the doctor myself. I don't know if he's going to have me do this test again, or what. My lungs still ache from this morning, I still feel like crap. Apparently my PFTs are fine though so I guess something else could be going on.

I wouldn't be surprised if I just had a little anxiety or something during the test which was giving me the cold sweats and the high pulse and stuff. They must see that all the time though. I don't really remember feeling too anxious. And me feeling like crap is nothing new. That's why I want these tests, so maybe we can figure out why

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Old 05-18-2013, 04:52 AM   #2
Join Date: Feb 2013
Posts: 7
katmen HB User
Re: Bombed Methacholine Challenge

I had this test a year ago, i started violently coughing even in first contact with my airways, they also were considering about cancelling, but I was with absolute exhaust able to complete this test, the main challenge is to completely exhale everything to the green interval. Then I was given oxygen and hydrocortisone i.v.
yes I was able to "taste" metacholine, it is something very close to smoke from cigarettes

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