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Published on: March 21, 2013
Blood pressure monitoring
1Department of Anesthesiology, Rush-Presbyterian-St. Luke's Medical Center, Chicago, Illinois.
Abstract:
This article reviews several methods for the measurement and monitoring of systemic arterial blood pressure. Principles of operation of noninvasive and invasive devices are described. Techniques for insertion and maintenance of arterial catheters are discussed. Finally, complications and other problems of both noninvasive and invasive methods are presented.
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Sites for measuring blood pressure
The Brachial Artery: Primary Site for Blood Pressure Measurement
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...
Errors occurring during blood pressure monitoring
Several factors...
Assessment of blood pressure in brachial artery(one-step method)
Prepare for the Procedure:
Special considerations while measuring blood pressure
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Measurement of Blood Pressure

