Life Sciences

Scientists at Karolinska University describe research in life sciences

Published in Cardiovascular Week, December 28th, 2009

According to recent research from Stockholm, Sweden, "Z1 and Z2 impedance signals were recorded in the right ventricle (RV), and between the left ventricle (LV) and RV, respectively, in 12 patients during four programming modes. ICZ signals were analyzed with respect to average and peak-to-peak (p2p) amplitude and systolic slope, and correlated with noninvasive hemodynamic and echocardiographic variables."

"ICZ p2p amplitude decreased during LV stimulation both in Z1 and in Z2 configuration (P = 0.021 and P = 0.022 vs intrinsic conduction, respectively). No significant variations in average amplitude or systolic slope were observed. ICZ variables correlated directly...

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Source: Cardiovascular Week (2009-12-28)

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