Related Experiment Video
Updated: Aug 27, 2026

Evaluation of Vascular Control Mechanisms Utilizing Video Microscopy of Isolated Resistance Arteries of Rats
Published on: December 5, 2017
[Using hydraulic input impedance in determination of changes in the arteries of different calibre]
A Iu Naumov1, S A Balashov, A M Mel'kumiants
1Cardiology Research Centre, 121552, Moscow, 3rd Cherepkovskaya St., 15a, Russia.
Abstract:
In anaesthetised cats, the arterial input impedance in combination with seven-element lumped-parameter model was used to estimate the resistance change in arteries of different caliber. The results show that the method gives reasonable estimations of changes in hydraulic resistance of arterial vessels of different caliber. We found that the method of vascular input impedance permits to reveal and assess quantitatively local constrictions and dilations as well as hemodynamically insignificant stenosis of conduit arteries.
Related Concept Videos
Arteries and Arterioles
Design Example: Designing a Residential Plumbing System
Equipments Used To Measure Blood Pressure
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
Assessment of blood pressure in brachial artery(two-step method)
