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tion of exúdate in the right lower part of the pericardium is usually small in comparison. This would seem sufficient reason for not choosing the fifth right intercostal space (Rotch's Point) as the site for paracentesis. Likewise for the same reason the various points to the left of the sternal border, either inside or outside the internal mammary artery, are unsuitable. Furthermore, the dangers of wounding the heart are greatly increased in this region. The region most commonly chosendoi:10.1056/nejm191610261751703 fatcat:2rqlcrjkerexpibj3kt6pqqxdu