You can update a cardiac problem in Problems List on the Histories template.
 
  - Open NextGen® Enterprise EHR.
 
  - Open the Histories- Cardiology template.
 
  - Select the Problem List.
 
  - Select a problem in the problem list grid.
   
    The fields below the grid get filled with the problem details.
   
 
  - Make the required updates.
 
  - Select Add/Update.