Obesity Hypoventilation Syndrome Prevalence Study
Obesity Hypoventilation Syndrome Prevalence Study
This is an observational study to characterize the prevalence of Obesity Hypoventilation
 Syndrome in patients referred to the sleep lab.
Inclusion Criteria:

 -  Greater than or equal to 21 yrs. of age

 -  Referred to sleep lab for diagnostic PSG, initial titration PSG or split night PSG as
 routine clinical care

 -  BMI greater than or equal to 30kg/m2

 Exclusion Criteria:

 -  Acutely ill or medically unstable to participate per PI

 -  Current positive airway pressure(PAP therapy)users

 -  Medical History of Chronic Obstructive Pulmonary Disease(COPD)

 -  Incapable of providing own informed consent

 -  BMI less than 30kg/m2