The placental transfer of oxygen explained in 4 easy steps!

Anaesthesia Coffee Break

In this episode we talk about the main steps that facilitate gas exchange at the placenta.
This is great applied respiratory physiology and a common question in the viva and SAQs!
Double Bohr effect
Check out power and Kam chapter 3 - resp physiology or this great summary
http://www.anaesthesia.uct.ac.za/sites/default/files/image_tool/images/93/10-The%20Bohr%20and%20Haldane%20Effects%20%28K%20Bergh%29.pdf
check out some model answers at
https://anaesthesiacollective.com/education/first-part-exam/
Power and Kam
https://www.amazon.com.au/Principles-Physiology-Anaesthetist-Peter-Kam-ebook/dp/B08GY1MXMH/ref=sr_1_1?crid=3B9KG9NMH60BU&dchild=1&keywords=principles+of+anatomy+and+physiology+for+the+anaesthetist&qid=1614831758&s=books&sprefix=principles+of+%2Cstripbooks%2C328&sr=1-1
Table with approx values
Uterine Artery pO2 100 100% sats pCO2 32mmHg
Uterine Vein pO2 40 80% sats pCO2 46
Umbilical Artery pO2 20 60% sats pCO2 50
Umbilical Vein pO2 30 80% sats pCO2 40

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