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Typical pressure-volume loops of the LA before and 1 h after rapid atrial pacing with a right shift of the end-systolic pressure-volume relation (ESPVR)- and end-diastolic pressure-volume relation (EDPVR)-intercept V10 (end-systolic volume required to generate an atrial end-systolic pressure of 10 mmHg). LAP, left atrial pressure.
