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Root cause analysis (RCA) is a systematic process for identifying the root causes of problems or events and an approach for responding to them. By properly carrying out RCA, problems are best solved and root causes are eliminated. However, prevention of problem recurrence by one corrective action may not always possible by merely addressing the immediate obvious symptoms. Many organizations tend to focus on single factor when trying to identify a cause, which leads to an incomplete resolution. Root cause analysis helps avoid this tendency and looks at the event as a whole. It is also important not to focus on the symptoms rather than the actual underlying problems contributing to the issue, leading to recurrence. The advantage of RCA is that it provides a structured method to identify the root cause of known problems thus ensuring a complete understanding of problems under review. By directing corrective measures at root causes, it is more probable that problem recurrence will be prevented.