Pregnancy: Fetus need the oxygen more than the mother so there is a {{c1::leftward}} shift.
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Oxygen Delivery Devices
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Ventilation Perfusion MatchingShunting: {{c1::Perfused}} but not {{c1::ventilated}} (atelectasis, one lung ventilation) - {{c1::Low}} V/Q% of cardiac output systmetic without being oxygenated <5% shunt in normal Primarily affects {{c1::oxygenation}}{{c1::Wasted}} perfusion due to airway obstruction, PNAWhat to do? Improve ventilation in that area or divert blood to a better ventilated part of the lung