Sleep-disordered Breathing in Eisenmenger Syndrome

One night polysomnography performed using standard techniques and scored in accordance with American Academy of Sleep Medicine standards. Polysomnography monitors sleep by electroencephalography (F4-A1, C4-M1, O2-M1 F3-M2, C3-M2, O1-A2), electro-myography (submental and tibialis anterior muscles), electro-oculography, nasal flow, respiratory effort, pulse oximetry and transcutaneous carbon dioxide partial pressure.