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Updated: Jul 19, 2026

Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound
Published on: December 2, 2014
Non-invasive aortic blood flow measurement
G A Orliaguet1, P Y Gueugniaud
1Department of Anaesthesiology, Hôpital Necker-Enfants Malades, Paris, France.
Abstract:
Invasive monitoring is rarely used for children undergoing routine anaesthesia, whereas usual non-invasive haemodynamic measurements such as heart rate and blood pressure monitoring are unable to detect cardiovascular changes rapidly and precisely. In contrast, oesophageal aortic blood flow echo-Doppler is an easy, non-invasive and accurate method to monitor cardiac performance properly and continuously. Therefore, it could represent a useful addition to peri-anaesthetic monitoring techniques, particularly in infants and small children.
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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...
Measurement of Blood Pressure
Assessment of blood pressure in brachial artery(one-step method)
Prepare for the Procedure:
Assessment of blood pressure in brachial artery(two-step method)
Sites for measuring blood pressure
The Brachial Artery: Primary Site for Blood Pressure Measurement
Assessing Blood pressure using a doppler ultrasound
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:

