I've been deaf in left for about 15 yrs and meniere's disease caused this. I have T in both ears. Anyway, I have noticed that when I do any exercise where I'm changing position quite dramatically such as gardening then I go deaf and of course the T becomes louder, until my hearing returns to normal. This definitely feels like a blood pressure related thing. I don't have it when I stand up from sittting, only when I stand up from sitting whilst being exerted such as when I'm digging then squatting down to plants things. anyone else have this?