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Figure 2 Relation between the maximum number of [3H]ryanodine binding sites (Bmax) in the atrium of patients with atrial fibrillation (AF) and magnitude of pulmonary capillary wedge pressure (PCWP) (i), mean pulmonary arterial pressure (mPAP) (ii), and right atrial pressure (RAP) (iii). The Bmax for RyR was smaller at higher levels of PCWP. There was no significant difference between the Bmax values obtained for the two levels of mPAP or the two levels of RAP. Data are mean ± SD.
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