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Table 3 ECG evaluation using II. lead

From: Isolated downregulation of HCN2 in ventricles of rats with streptozotocin-induced diabetic cardiomyopathy

  CON STZ
ECG parameters (n) 10 9
Heart rate (bpm) 349 ± 16 297 ± 8.9*
R –R (ms) 175 ± 8.2 203 ± 6.1*
P –wave (ms) 23 ± 1.5 23 ± 0.8
P-Q interval (ms) 49 ± 3.1 55 ± 2.8
QRS interval (ms) 16 ± 0.4 18 ± 0.7*
T- wave (ms) 49 ± 3.2 64 ± 2.6*
QT (ms) 64 ± 3.1 83 ± 2.5*
QTc (ms) 69 ± 3.2 82 ± 2.6*
P amplitude (mV) 0.09 ± 0.01 0.15 ± 0.01*
R amplitude (mV) 0.6 ± 0.05 0.9 ± 0.06*
T amplitude (mV) 0.14 ± 0.01 0.26 ± 0.03*
  1. Mean ± SEM, *p < 0.05 versus CON
  2. CON—controls, STZ—streptozotocin administered diabetic rats