“…Spontaneous pneumomediastinum, also known as Hamman’s syndrome, is an uncommon condition in medical practice, occurring in approximately 1/30,000 hospital admissions ( 1 ) and in only 1% of asthma cases ( 2 ) . Its main causes are intense physical exercise, labor (of childbirth), pulmonary barotrauma, diving to great depths, severe paroxysmal coughing, vomiting, asthma, inhalation of narcotics, bronchial asthma, and a slender body type ( 1 , 2 ) .…”