- Infection
- Any mass lesion
 
       
    
    
      
        
            - Intracranial bleeding (parenchymal bleed, epidural, sub-dural)
 
   
           
        
        
        
        
        
          
          
            
  
      
    
    
      
        
            - Altered mental status, progressing to somnolence
- Focal deficits based on etiology, area of brain affected
 
   
           
        
        
        
          
          
            
  
      
    
    
      
        
            - Altered mental status
- Focal neuro deficits if discrete areas of brain affected