text: Echocardiography is helpful to diagnose pulmonary hypertension in patients with long standing chronic bronchitis.
option_0: Chronic bronchitis echocardiography or ultrasound
option_1: Chronic obstructive pulmonary disease other diagnostic studies
option_2: Bronchiectasis chest x ray
option_3: Lung mass echocardiography and ultrasound
option_4: Chronic bronchitis physical examination
option_5: Bronchitis chest x ray
option_6: Pulmonary nodule other imaging studies
option_7: Aspiration pneumonia bacterial infection ct scan