Sunday, 13 July 2025

Ploucquets Test

 

The Ploucquet's Test is named after Gottfried Benjamin Ploucquet (1749–1817), a German physician and professor who made notable contributions to forensic medicine in the late 18th and early 19th centuries.

He introduced the idea of using the ratio of lung weight to body weight as a measurable forensic indicator of whether respiration had occurred.

Ploucquet's Ratio
Weight of lungs (in grams) ÷ Weight of body (in grams)

  Usual Values:

  • < 1:70 → Suggests stillbirth (lungs unexpanded).
  • > 1:35 → Suggests live birth and respiration.

It became part of the standard battery of forensic tests in medico-legal autopsies, especially in Europe during the 19th century.





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