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Transmural gradients in the Langendorff‐perfused intact heart and wedge preparation
| Intact heart | LV wedge preparation | ||
|---|---|---|---|
| Electrical | Electrical | Optical | |
| AT (msec) | 8 ± 4a | 35 ± 15b | 23 ± 6b |
| ARI/APD (msec) | 5 ± 16a | −62 ± 32 | −40 ± 10b |
| RT (msec) | 13 ± 7a | −27 ± 22 | −17 ± 13 |
ARI, activation recovery interval; AT, activation times; LV, left ventricular.
Means significantly shorter than in the LV wedge preparation (P < 0.05), n = 3.
Means significantly different from zero (P < 0.05), n = 3.
