3.2.4 Measurement of Cardiac Output and Cardiac Shunts Flashcards
What is the golden standard of measuring CO?
Direct Fick method
What are the normal blood O2 contents?
Arterial blood: 20 mL O2 per 100 mL of blood
Systemic veins: 15 mL O2 per 100 mL of blood
How would an increased blood flow affect O2 content?
How would increased O2 consumption affect O2 content?
What is the Fick equation for calculating CO?
How is O2 content changed in pulmonary blood flow?
What is the fick equation for pulmonary blood flow?
What is true about oxygen uptake and oxygen consumption under steady-state conditions?
Oxygen uptake = oxygen consumption
Describe the normal O2 contents in then normal heart.
Where does O2 consumption occur?
Diffusion of O2 across capillaries in systemic organs
How does a L to R shunt affect volume and O2 content both sides of the heart?
Fill this in.
How does a L to R shunt affect SV?
SV from R V = SV from L V + volume of blood shunted
What is produced in the kidney as a result of decreased MAP in a VSD? It leads to the production of what?
Renin, Angiotension II formation