What is blood pressure? What are elevated levels?

What is blood pressure?
Blood pressure is the force exerted against artery walls as blood is carried through the circulatory system.The measurement of force is made in relation to the pumping activity of the heart ,and is measured in millimeters of mercury (mmHg).The top number or systolic pressure is the measurement of pressure that occurs when the heart contracts or beats.The bottom number or diastolic pressure is the measurement recorded between beats while the heart is relaxed.The systolic number is placed over the diastolic number and is always the higher of the two number;for example,110/70(read as 100 over 70)

What are elevated levels?

High blood pressure (hypertension)indicates that the force required for blood flow is greater than normal.A blood pressure measurement of less than 120/80 is considered normal and 120 to 139 (systolic) and 80 to 89 (diastolic) is defined as pre-hypertension.For pre-hypertension patient,lifestyle modification is recommended.In case they suffer from conditions such as diabetes mellitus or renal failure,or if lifestyle modification does not bring blood pressure into the normal range,then therapy is indicated.

Blood pressure is elevated when repeated measurement are greater than 149/90(either the systolic,diastolic or both measurement may be abnormal).A diagnosis of high blood pressure is made when a person has had two or more eleveted readings on different days.

Blood pressure Chat
This chart applies to patient who are 18 years of age and older,who have not already been diagnosed with high blood  pressure,are not taking any medication for high blood pressure,and are not seriously ill.

                              Blood Pressure (BP) Chart

Category	Systolic BP (mmHg)	Diastolic BP (mmHg)
Normal	Less than 120	Less than 80
Pre-hypertension	120 to 139	80 to 89
Stage 1 Hypertension	140 to 159	90 to 99
Stage 2 Hypertension	Greater then 160	Greater than 160

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Ditulis oleh: Unknown - Friday 15 July 2011