Segmenting the data in the table

Hello,
I need to create the segmentation on a table. Below is the original data in the table.
Begmeasure       EndMeasure       DetMethod         Testpressure
0                          7703
Acceptable          1006
7703                     32149                Acceptable
1007
8323                     32149                Not Verified           1010
8323                     32149                Not Verified
1010
10988                   32149                Acceptable             1010
Forst row should be compared to its next row. If the next row beg and end measures are in between the first row's beg and end measures or overlaps with the first row, and first row method is " acceptable" and the test pressure is smaller, the first
row segment stays as the final record. The logic has to loop through every subsequent row untill there is no overlap between the two compared rows.
As shown below, the rows 3 and 4 are elimated/replaced with 2nd row becuase the detmethod is "Not Verified". Only 2 types of methods exists in the table, "Acceptable" and "Not Verified". In this 10988 is less than 32149, So
its an overlap. So, we have to segment as 7703 to 10988 and 10988 to 32149. I want the result set to be like this below:
After Segmentation :
BegMeasure                EndMeasure           DetMethod
Testpressure
0                                     7703                     Acceptable
1006
7703                               10988                   Acceptable
1007
10988                             32149
Acceptable                 1010
Please help me in achieving this. Thanks so much for all the help.
Thank You

>First row should be compared to its next row.
First choice is set-based operations. However, you may have to do a cursor WHILE loop for this one:
http://www.sqlusa.com/bestpractices2005/runningtotalusingcursor/
Nested cursor WHILE loops:
http://www.sqlusa.com/bestpractices2005/doublecursor/
Kalman Toth Database & OLAP Architect
IPAD SELECT Query Video Tutorial 3.5 Hours
New Book / Kindle: Exam 70-461 Bootcamp: Querying Microsoft SQL Server 2012

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