The goal of this study is to evaluate the usefulness of hyperpolarized (HP) 129Xe (xenon) gas MRI for regional assessment of lung function in a normal population of adults for the purposes of obtaining optimal images through MRI.
Adults ages 18 years and older
Participant must be able to hold their breath for up to 16 seconds
History of heart defect
Pregnancy or positive pregnancy test
History of uncontrolled asthma defined for this study as requiring use of rescue inhaler ≥ 2 times in past month.
Symptoms of respiratory infection (loose or productive cough or wheeze), chest tightness, or sinus infection within past week.