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Confused... Why Is A Ttt Longer Than 10 Minutes?


AmberK
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I don't know what my HR readings were on the TTT, just know that it was high throughout but I was told that one of the reasons that my test was inconclusive is because I didn't faint until 32 minutes. This, together with repeatedly reading that the diagnostic criteria for POTS is a 30 BPM increase or a HR over 120 within the first 10 minutes of the test makes me wonder why any TTT is longer than 10 minutes. Can anyone explain this please, as I'm very confused?

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A lot of people have both POTS and NMH. My understanding is that the diagnostic criteria for the NMH requires the longer TTT.

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