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Dr. Diana, both a doctor (therapeutic optometrist), and a recovered POTS and ME/CFS patient, offers help and hope for POTS, Dysautonomia, Ehlers-Danlos syndrome, Chronic Fatigue, Chronic Lyme, vascular abnormalities, Fibromyalgia, and Multiple Sclerosis. Dr. Diana is now working full time at POTS Care.

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Reply To: high carbon dioxide at night?

NEW STUDY! Parasym Plus™ for Multiple Sclerosis › Forums › PrettyIll.com Discussion › EDS/MS/Chiari › high carbon dioxide at night? › Reply To: high carbon dioxide at night?

January 28, 2014 at 10:37 pm #4820
EDSMOM+4
Participant

Thanks for your replies!

The cardiologist said she has autonomic dysfunction. I have asked the question to him, the ENT and a different pulmonary doctor, associated with the upper airway, if the true problem is exactly that, but they have all said they haven’t heard the breathing being affected. Hence my frustration, because to me, it seems it could be related. I have been trying to read up on all the causes of the hypoventilation. Here are the sleep study results in question:

The average heart rate was 71 BPM during REM and NREM sleep. Frequent premature ventricular contractions were noted. There were no obstructive or mixed apneas. There were 2 central apneas with an average duration of 11 seconds with the longest being 12.7 seconds. The average oxygen desaturation in association with the central apneas was 91.9% with the lowest being 91.9%. There were 4 obstructive hypopneas with an average duration of 11.8 seconds with the longest being 13.2 seconds. The average oxygen desaturation in association with the obsturctive hypopneas was 90.8% with the lowest being 88.7%. The apnea-hypopnea index was 1.1. The obstructive index was 0.7. The average oxygen saturation was 96.8% during REM and NREM sleep. The average end tidal CO2 was 50.4 in sleep, 46 in Wake, with a maximum end tidal CO2 of 61.8 There was 99.6% of the study time spent with an end tidal CO2 higher than 45 and 92.7% was spent with an end tidal CO2 higher than 50.

Don’t know if seeing them will help answer the question.

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