Monday, February 7, 2011

♥Research Focus

The topic we are going to investigate is: "Blood pressure readings between Right arm and right leg equal?"

1)Introduction to Blood Pressure

Blood pressure measurement is the non-invasive measurement of the pressure exerted by the circulating blood on the walls of the body's arteries. The purpose of non-invasive blood pressure measurement is to detect any changes from normal values, which may indicate disease. Measurement is also performed to monitor the effectiveness of medication and other methods used to control elevated blood pressure.
Blood pressure should be routinely checked every one to two years and may be monitored more closely during illnesses that affect blood pressure or during medical treatments which may change blood pressure. Blood pressure is usually recorded by measuring the force of the blood during the contraction of the ventricles (lower chambers of the heart) as blood is pumped from the heart to the rest of the body (systolic pressure), and during the period when the heart is relaxed between beats and pressure is lowest (diastolic pressure).

The normal values for blood pressure measurement is a systolic pressure of 120 mm Hg and a diastolic pressure of 70–80 mm Hg

2)The reason behind this experiment

Blood pressure is a vital sign to assess the presence of blood rate,which is symptomatic of various pathophysiology. (e.g. hypertension)Certain routes are contraindicated in some cases .(e.g. Injury arm/IV shunt)Asses if we are able to take Blood pressure taking is interchangeable if  either arm or leg is 
disabled.

Thus, finding out the relationship between a person's right arms blood pressure reading and their right leg’s reading , we can use it  to predict the Bp on one site when the other is disabled.

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