31 years old, weigh 155 pounds, prior history of CHF from birth. Generally I breathe easier in the upright position, it gets really bad when I'm flat on my bed. I will get some aspirin today. I am extremely fit, and am considered a lean body type. I have immense trouble eating at this point, so I keep to light foods throughout the day. My oxymeter shows at rest oxygen of 94, and at mild exertion oxygen to be 85, with a hr going from 65 to 175
I am not a doctor but many of these sound concerning. Your oxygen levels sound ok, but that could be expected if you are fit or extremely good at swimming especially.
Speak to a professional even it is a friend of yours.
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