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Standard Operating Procedure For A Mercury Sphygmomanometer

1161 words - 5 pages

Part three

Standard Operating Procedure for a mercury sphygmomanometer

May 20, 2014

By
Emily Clements

APPROVED:

Author
Emily Clements Date

Approved
Laboratory Director Date

Table of Contents

1. Purpose…………………………………………………………3

2. Applicability/Scope…………………………………………… 3

3. Summary of Procedures……………………………………….3

4. Definitions.……………………………………………………. 3

5. Personnel qualifications/Responsibilities.……………….…….3

6. Procedure

6.1. Operation………….……………………………………..4

6.2. Maintenance……………………………………………..5

7. Precautions

7.1. Accurate measurement

7.1.1. Preparing the patient……………………………5

7.1.2. Surroundings……………………………………6

7.2. Safe handling of the device.……………..……………….6

8. References………………………………………………………7

1. Purpose
The purpose of this standard operating procedure (SOP) is to ensure the correct use of the mercury sphygmomanometer when taking BP measurements in this laboratory

2. Applicability/Scope:
This SOP is for the use of the staff and students using the Mercury Sphygmomanometer at Nutrition Research laboratory at Massey University. New Zealand.

3. Summary of Procedures:
BP measurements taken using a mercury sphygmomanometer involve the inflation and deflation of an occluding bladder located inside a cuff that is wrapped around the patient’s arm. The mercury sphygmomanometer is operated manually, with inflation by means of a bulb and deflation by means of a release valve, both of which are controlled by the hand. The pump and control valve are connected to the inflatable bladder and to the sphygmomanometer.

4. Definitions:

4.1. Mercury Sphygmomanometer: A device used to measure BP. It
consists of an inflatable cuff, a hand bulb with a deflator valve and a mercury
column to display the obtained BP readings (Martin & McFerran, 2014)
4.2. Diastolic BP: The lowest arterial blood pressure associated with the resting phase
(diastole) of the cardiac cycle during which the heart is filling up with blood
(Martin & McFerran, 2014)
4.3. Systolic BP: The maximum pressure in the arteries during systole. Systolic blood
pressure is represented by the top number in the fraction of a blood pressure
reading (Martin & McFerran, 2014)
4.4. Stethoscope: an instrument used for listening to sounds within the body (Martin &
McFerran, 2014)

5. Personnel Qualifications/Responsibilities

5.1. Staff and student are responsible for following this SOP
5.2. The designated laboratory assistant is responsible for ensuring this SOP is
followed
5.3. The use of this device requires training in the technique of aucultatory
measurement of BP. This includes direct instruction with a
stethoscope on how to detect Korotkoff sounds (Beevers,...

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