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. Author manuscript; available in PMC: 2010 Jun 21.
Published in final edited form as: Am J Gastroenterol. 2010 Feb 23;105(5):981–987. doi: 10.1038/ajg.2010.43

Figure 6.

Figure 6

HREPT (left) and landscape plot (right) of an extremely abnormal contraction in a patient with spastic nutcracker. EGJ relaxation is normal with an IRP of 5 mm Hg. Similarly, the contraction front velocity is normal at 3.2 cm/s. However, the distal contractile integral (DCI), an indicator of the persistence and magnitude of the peristaltic contraction, is more than 10 times normal at 60,300 mm Hg•cm•s. Typical of individuals with these findings, this patient had dysphagia and chest pain.