Lung function tests and a 'vertical' P wave axis in the electrocardiogram.
D004562:Electrocardiography; D006801:Humans; D008168:Lung / Q000503:physiopathology; D008171:Lung Diseases / Q000503:physiopathology*; D011653:Pulmonary Diffusing Capacity; D012129:Respiratory Function Tests; D013147:Spirometry; D014797:Vital Capacity