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