Presentation
cough for one week duration
Patient Data
Age: 5 years
Gender: Male
From the case:
Continuous diaphragm sign
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/116355/annotated_viewer_json?iframe=true\u0026lang=us"}
Spontaneous pneumomediastinum with typical continuous diaphragm sign is present.
Spontaneous subcutaneous emphysema also noted.
Case Discussion
Repeated cough can result in spontaneous pneumomediastinum and subcutaneous emphysema. Macklin effect could represent the pathophysiology behind the case findings.