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It generally indicates a poor prognosis.
It is distinguished from ataxic respiration by having more regularity and similar-sized inspirations, whereas ataxic respirations are characterized by completely irregular breaths and pauses. As the breathing pattern deteriorates, it merges with ataxic respirations.
In common medical practice, Biot's respiration is often clinically equivalent to Cheyne-Stokes respiration, although the two definitions are separated in some academic settings.