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.
References in periodicals archive ?
He told the inquest the spot wasn't initially the triangle of safety and that was why he had repositioned it.
Summing up the evidence, coroner Philip Spinney said: "Mr Michail repositioned the mark because the mark was outside the triangle of safety.
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