Common causes of unilateral<unk><unk>  include idiopathic, phrenic nerve injury in cardiac surgery and viral infection and less common causes of it include cervical spondylosis, cervical compressive tumors and blunt neck trauma. Common causes of bilateral<unk><unk>  include idiopathic, cervical spinal cord disease and motor neuron disease.  Less common causes of bilateral<unk><unk>  include parsonage turner syndrome and malnutrition.
Diaphragmatic paralysis causes
Pneumomediastinum causes
Hemothorax causes
Subcutaneous emphysema causes
Pneumothorax causes
Diaphragmatic hernia causes
Acute respiratory distress syndrome causes
Air embolism causes