Undiagnosed: Oxygen level low when walking, difficulty breathing, chest tightness
A month ago, I suddenly began having a strange difficulty breathing. The difficulty is 100% of the time; even at rest. It feels as if my airways have shrunk to half the size, and I have to expend considerable effort to move air through them.
Difficulty moving air
Chest tightness and pain when breathing
Oxygen levels drop to 88-89% when walking in the pulmonary function 6 minute walk test (99-100% at rest)
Ultrasound of stomach: normal
CBC: white count 18 (but could be attributed to mild stomach virus I contracted while in hospital)
Chest CT: normal; no sign of clot
Pulmonary function tests: lung capacity a bit low; O2 drops to 88-89% while walking
Treatments to date with no effect:
Prednisone 50mg 5 days
Currently on third day of azithromycin and second round of prednisone 40mg
From what the doctors have said, and from what I've read, the next step would be to get my pulmonologist and a cardiologist together to figure out what to test next.
I am 35; healthy; reasonably in shape; 130 lbs; childhood history of asthma (but never with symptoms like this); NEVER smoked or used drugs; rarely drink; oral birth control; 2 healthy pregnancies in the last 3 years- gestational diabetes (diet controlled) with the second; have been told I'm slightly anemic, even when on 2 iron supplements per day
Has anyone had similar symptoms diagnosed? Any ideas about whether I'm on the right track?
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