Research Article

Some Pharmacodynamic Aspects of Cefepime

Table 3

Effect of single intramuscular injection of 93.33 mg/kg body weight of cefepime on electrocardiographic changes in conscious rabbits ( ).

ECG parametersTime (hours)
0 0.25 0.5 1 2 4 8

P-wave:
 (a) Amplitude (m·v.)0.15 ± 0.00.15 ± 0.00.15 ± 0.00.15 ± 0.00.15 ± 0.00.15 ± 0.00.15 ± 0.0
  (b) Duration (m·sec.)38.66 ± 0.6734 ± 0.58 34 ± 1.1537.66 ± 1.4536.33 ± 0.8837.67 ± 0.3340 ± 0.0
PR-interval: (m·sec.)20 ± 0.020 ± 0.020 ± 0.020 ± 0.020 ± 0.020 ± 0.020 ± 0.0
QRS-complex:
  (a) Amplitude (m·v.)0.53 ± 0.0330.43 ± 0.020.53 ± 0.0170.53 ± 0.0330.57 ± 0.0330.43 ± 0.020.55 ± 0.003
  (b) Duration (m·sec.)20 ± 0.020 ± 0.020 ± 0.020 ± 0.020 ± 0.020 ± 0.020 ± 0.0
ST-segment: (m·sec.)40 ± 0.040 ± 0.040 ± 0.040 ± 0.040 ± 0.040 ± 0.040 ± 0.0
T-wave
  (a) Amplitude (m·v.)0.19 ± 0.007 0.16 ± 0.007 0.15 ± 0.00.19 ± 0.0070.20 ± 0.0 0.19 ± 0.0070.20 ± 0.0
  (b) Duration (m·sec.)40 ± 0.042 ± 1 42 ± 139.33 ± 0.6740 ± 0.0 40.67 ± 0.6740 ± 0.0
QT-interval: (m·sec.)140 ± 1.16136.3 ± 0.88 135 ± 0.0138 ± 1.15140.67 ± 0.67 142.3 ± 1.45 142.3 ± 1.45
H.R: (beets/min)300 ± 0.0300 ± 0.0300 ± 0.0300 ± 0.0300 ± 0.0300 ± 0.0300 ± 0.0