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Compressed phrenic neurogram showing phrenic long-term facilitation (pLTF; bracket) following acute intermittent hypoxia. Compressed 1.5 hr time scale shows the short-term hypoxic responses (dramatic increase in phrenic amplitude) during 3 hypoxic episodes (arrows). pLTF results from these intermittent hypoxic episodes and is an example of the Q pathway to PMF.
374×116mm (600 × 600 DPI)
