| Vrest(mV) | APA (mV) | AP threshold (mV) | dV/dt (mV/ms) | APD 50 (ms) | Number of rats studied (number of fibers) |
---|---|---|---|---|---|---|
Healthy | −79.9 ± 1.0 | 85.5 ± 1.8 | −72.0 ± 0.5 | 59.6 ± 2.4 | 32.7 ± 2.5 | 11 (84) |
Septic | −78.3 ± 0.6 | 66.6 ± 5.6* | −65.0 ± 1.8* | 34.0 ± 5.7* | 29.1 ± 3.2 | 8 (108) |
TTX Studies | Â | Â | Â | Â | Â | Â |
Pre-TTX | −77.5 ± 1.3 | 88.5 ± 4.2 | −67.9 ± 2.5 | 57.1 ± 5.1 | 35.3 ± 3.9 | 3 (14) |
Post-TTX | −79.0 ± 2.4 | 69.1 ± 7.2 | −54.6 ± 4.0* | 22.1 ± 8.1* | 35.0 ± 0.5 | 3 (21) |
Nifedipine studies | Â | Â | Â | Â | Â | Â |
Pre-nifedipine | −82.5 ± 2.3 | 89.2 ± 2.6 | −70.5 ± 4.6 | 64.5 ± 5.0 | 38.5 ± 5.2 | 3 (15) |
Post-nifedipine | −85.2 ± 0.6 | 87.3 ± 2.0 | −70.5 ± 2.7 | 52.4 ± 2.8* | 34.3 ± 3.8 | 3 (22) |