​Differential diagnosis of recurrent or persistent hiccups

​Differential diagnosis of recurrent or persistent hiccups
-idiopathic 
-psychogenic 
-general anesthesia 
-post operative 
-subphrenic abscess
-hepatomegaly 
-hepatitis 
-cholecystitis 
-gastric distention 
-gastric neoplasm 
-pancreatic malignancy 
-pancreatitis 
-thoracic pneumonia 
-empyema
-neoplasm 
-pericarditis 
-myocardial infarction 
-aneurysm 
-reflux esophagitis 
-esophageal obstruction 
-ear foreign body 
-neoplasm 
-goiter 
-CNS neoplasm 
-CNS infection 
-trauma to CNS 
-Uremia 
-vagus or phrenic nerve irritation 
-hypocapnia 
/ hyperventilation