Obstetric Shock Index (HR/SBP)
Validated formulas only — every calculator lists its formula and source.
Early PPH shock detection.
Formula/source: Shock index HR/SBP; 0.9 threshold flags occult haemorrhage.
Validated formulas only — every calculator lists its formula and source.
Early PPH shock detection.
Formula/source: Shock index HR/SBP; 0.9 threshold flags occult haemorrhage.