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Published on: May 3, 2018
Blood pressure measurement
1Aintree University Hospitals, NHS Foundation Trust, Liverpool. maureen.wallymahmed@aintree.nhs.uk
Abstract:
Blood pressure measurement is an essential clinical skill for all nurses. However, if the procedure is not followed carefully there is potential for error that can adversely affect patient management. Nurses performing blood pressure measurement should be appropriately trained and updated on the procedure and the correct use of equipment. This article outlines the procedure for measuring blood pressure using a conventional mercury or aneroid sphygmomanometer and an electronic blood pressure monitor. It also identifies potential sources of error.
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Measurement of Blood Pressure
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...
Sites for measuring blood pressure
The Brachial Artery: Primary Site for Blood Pressure Measurement
Assessment of blood pressure in brachial artery(two-step method)
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.
Assessment of blood pressure in brachial artery(one-step method)
Prepare for the Procedure:

