<prompt> All of the following criteria are required for diagnosis of obesity hypoventilation syndrome except -HypeensionSleep disorder breathingBMI 30 kgm2PaCO2. 45 mmHg  <response>: Answer- A. HypeensionOHS is defined as daytime hypercapnia and hypoxemia in an obese patient with sleep-disordered breathing in the absence of any other cause of hypoventilation 