triangle of safety

tri·an·gle of safe·ty

the area at the lower left sternal border where the pericardium is not covered by lung (pericardial notch); preferred site for aspiration of pericardial fluid.

triangle of safety

An obsolete term that formerly dignified the intercostal spaces at the left lower sternocostal border, which was once regarded as an optimal site for pericardiocentesis .

tri·an·gle of safe·ty

(trī'ang-gĕl sāf'tē) The area at the lower left sternal border where the pericardium is not covered by lung (pericardial notch); preferred site for aspiration of pericardial fluid.