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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Echocardiography. 2015 Feb 13;32(10):1564–1571. doi: 10.1111/echo.12906

Figure 2. Reproducibility of Pulmonary Transit Time.

Figure 2

Two PTT measurements were acquired 5–7 minutes apart in 10 patients in the absence of medical or physiologic intervention. Spearman correlation coefficient (95% CI) is used to demonstrate the association between initial and repeat measurements.