Clinical Decision Support System (CDSS) Market is surging with the widespread EHR usage is driving this growth, and an important reason behind that is the ability to integrate CDSS effectively. Over 96% of hospitals and over 78% physicians use EHRs in the United States alone, giving a lucrative market for computer decision support systems for healthcare. Government initiatives around the world is driving HCIT adoption in addition. That supportive environment emerged from regulations and funding, starting with the US\'s ONC promoting EHR interoperability to Europe establishing an eHealth common area for free movement of a secured information society.