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What other health issues do you have? Do you smoke, have asthma, a lung or thyroid disorder? Any of these in addition to some medications could cause hypoventilation during sleep.
Actually, it got worse after I quit smoking, go figure. No asthma, no lung or thyroid disorders, no hypoventilation. Resp rates normal during the sleep study, Recent chest x-ray showed no issues. Holter monitor was negative, Stress test negative, Echo negative, EKG Negative. Sleep Problems started well before I was on any meds. Negative for OSA/CSA.
Current suspected health problems:
Mild Hypertension, Palpitations, Treated with Toprol XL 50mg
Bi-Polar Disorder, treated with Cymbalta 60mg, and Seroquel 200mg
Sleep Disorder, (insomnia) also treated with Seroquel 200mg
Sleep Disorder, O2 sat drops, treated with o2 at 96% 2.5lm
Some other issues are very large varicose veins in both legs, pain in both legs when not resting. This issues was deemed not to be a big problem at this time.