OBSTETRIC AND GYNAECOLOGICAL
SURGERIES
, ALTERED PHYSIOLOGY
1. Hematological
2. Cardiovascular
3. Respiratory
4. Gastro-intestinal
, 1.HEMATOLOGICAL
↑Mineralocorticoid activity
Na+ retention, ↑ body H2O content
↑ TBV 45% and ↑ RCV 30%
“Physiologic anemia of
pregnancy”
Average Hb and Hematocrit of
11.6 g/dl and 35.5% respectively.
O2 transport not impaired
↑C.O.,↑PaO2 and rt.shift of Hb-O2
dissociation curve.