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High Blood Pressure – Patient Education Overview

According to the Centers for Disease Control and Prevention, one third of the United States population suffers from high blood pressure.  Approximately one fifth are symptom-free and unaware of their diagnosis.

High blood pressure, also known as hypertension, brings with it s a higher risk of heart disease, heart attacks, strokes and kidney failure.

There are three main types of hypertension:

  Primary Secondary Obstetrical
How common Represents 90-95% of hypertensive people  Represents 5-10% of all high blood pressure cases Occurs in nearly 10% of pregnanciesCommonly called preeclampsia
Cause No known cause Linked to various causes:Stress

Chronic kidney disease

Renal artery narrowing (stenosis)

Sleep apnea

Thyroid dysfunction

Tumors of the adrenal glands (pheochromocytoma)

Preeclampsia

Narrowing of the aorta (Aortic coarctation)

Low levels of potassium in the blood (primary hyperaldosteronism)

Pregnancy induced, usually occurs after the 20th gestational week.
Common Effects Kidneys inadequately manage sodium (which causes fluid retention).Increased vascular tone (maybe from angiotensin II elevation).

 

Increase in cardiac output.Increase in the resistance pushing blood.

 

Associated with swelling (edema) and significant protein in the urine.Seen in conjunction with damage to kidneys, liver and lining of blood vessels in the maternal system.
Treatment The only treatment is delivery, with the mother usually put on bed rest and a low-salt diet.
 

 

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