ABSTRACT: N=6 Male Dunkin-Hartley guinea-pigs, chronically-instrumented with a radiotelemetry implant. Moxifloxacin at 30, 90 and 180 mg/kg, po, in successive treatments sessions as an escalating dose design. No PK phase. Parameters measured: Haemodynamic parameters (SAP, DAP, MAP, HR). Lead II ECG (RR, PR, QRS, QT, QTc intervals). Arterial blood pressure, heart rate and ECG parameters were measured 45, 30 and 15 min before administration (mean of measurements obtained at these time points=baseline = T0) and 30 (T30), 60 (T60), 90 (T90), 120 (T120), 180 (T180), 240 (T240), 360 (T360), 480 (T480), 720 (T720), 960 (T960), 1200 (T1200) and 1440min (T1440) post-administration
