“…14 Both of these conditions are associated with a wide range of symptoms including retrosternal chest pain, cough, sore throat, dysphonia, dysphagia, palpitations, neck discomfort, and dyspnea. [1][2][3]5,6,15 In one series of 17 patients with spontaneous pneumomediastinum, 82% of patients presented with chest pain, dyspnea, or both, whereas 18% of patients presented with neck discomfort only. 4 In another series of 24 patients with spontaneous pneumomediastinum, the most common symptoms were chest pain, neck discomfort, and persistent cough.…”