Anaes Vivas · Invasive monitoring
Equipment viva — the pressure transducer and the flush system
An equipment viva on the transducer — the principle (the strain gauge converting the pressure to the electrical signal), the zeroing and the levelling, the flush system (the continuous flush to prevent the clotting), and the square-wave test.
On this page
Study tools
Target exams
ANZCAFRCAABAEDAIC
Prompt
A pressure transducer set up for the arterial line, connected to a 300 mmHg pressure bag, a flush valve, and a monitor displaying the waveform.
Stimulus
A pressure transducer connected to the arterial line, the pressure bag, and the monitor. Describe the principle, the zeroing and levelling, the flush system, and the square-wave test.
References2ShowHide
- [3]Kane AD, et al. Continuous ARterial monitoring in Elderly and Frail patients for hip fractUre surgery to prevent Low blood pressure - the CAREFUL Study Protocol. Anaesthesia Reports, 2026.PMID 41971679
- [41971680]Bersten AD, Soni N (eds) Oh's Intensive Care Manual. 8th edition, Elsevier, 2018.