There are no echocardiography or ultrasound findings associated with pneumomediastinum.
Which diagnostic method is recommended for pneumomediastinum: echocardiography or ultrasound?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: Which diagnostic method is recommended for pneumomediastinum: echocardiography or ultrasound? [/INST] \n There are no echocardiography or ultrasound findings associated with pneumomediastinum.</s>