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Created page with "=Maternal Physiologic Changes= * Cardiovascular: ** 50% increase in plasma volume, 25% increase in RBCs ** Increases in CO (SV and HR) < decreases SVR = decreased BP (mostly..."
=Maternal Physiologic Changes=
* Cardiovascular:
** 50% increase in plasma volume, 25% increase in RBCs
** Increases in CO (SV and HR) < decreases SVR = decreased BP (mostly recovers by term).
* Pulmonary:
** Upper airway edematous and friable
** Minute ventilation increased (TV > RR) leading to mild respiratory alkalosis
** FRC (both ERV and RV) decreases and increased O2 consumption means adequate preoxygenation is a must,
* GI
* Nervous
* Renal
* Hepatic
* Cardiovascular:
** 50% increase in plasma volume, 25% increase in RBCs
** Increases in CO (SV and HR) < decreases SVR = decreased BP (mostly recovers by term).
* Pulmonary:
** Upper airway edematous and friable
** Minute ventilation increased (TV > RR) leading to mild respiratory alkalosis
** FRC (both ERV and RV) decreases and increased O2 consumption means adequate preoxygenation is a must,
* GI
* Nervous
* Renal
* Hepatic