Without this mixing, the right side of the heart would contain only the oxygen-depleted blood.
Also, vomiting and dizziness may be signs of under drainage.
For , a common shunt material, at 80 °C thermal drift begins to occur, at 120 °C thermal drift is a significant problem where error, depending on the design of the shunt, can be several percents and at 140 °C the manganin alloy becomes permanently damaged due to resulting in the resistance value drifting up or down.