Differential diagnosis of Hospital Acquired Pneumonia

​Differential diagnosis of Hospital Acquired Pneumonia are : 
-hypersensitivity pneumonia
-lung neoplasm 
-viral pneumonia 
-bacterial pneumonia 
-aspiration pneumonia 
-bronchitis 
-lung abscess
-pneumocystis pneumonia 
-tuberculosis 
-myocardial infarction 
-pulmonary embolism 
-sarcoidosis 
-bronchiolitis obliterans with organizing pneumonia ( BOOP) 
-bronchiolitis