Discover what MICU full form , its role in hospitals, and why it's crucial for intensive medical care. Learn about MICU in easy language here! Get MICU full form and full name in details. Visit to know long meaning of MICU acronym and abbreviations. It is one of the best place for finding expanded names. ICU and MICU terms are used interchangeably. You can get a proper knowledge about MICU and ICU in A&P class (human anatomy and physiology). But do they mean the same thing? The short answer to this question is no. The level of expertise and the resources available in each ICU make them different. MICU stands for medical intensive care unit, while SICU is a surgical intensive care unit. MICUs handle a wide array of medical conditions and can treat patients suffering from lung problems, gastrointestinal problems, and blood infections. On the other hand, a SICU will treat patients who recently had surgery or could potentially need surgery.