text: <unk>  is not diagnostic of sleep apnea. Cor pulmonale and pulmonary hypertension may be evident among patients with severe sleep apnea on<unk> .
option_0: Sleep apnea echocardiography or ultrasound
option_1: Sleep apnea home oximetry
option_2: Sleep apnea other diagnostic studies
option_3: Central sleep apnea here screening
option_4: Asthma electrocardiogram
option_5: Status asthmaticus electrocardiogram
option_6: Chronic bronchitis electrocardiogram
option_7: Short QT syndrome physical examination