Class notes
Bio 142 Hypertension Notes
- Course
- BIO 142
- Institution
- Emory University
Comprehensive and detailed note on Hypertension for Bio 142. *Vital resource!!
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High blood pressure is a common condition that affects the body'sarteries. It's also called hypertension. If you have high blood pressure,
the force of the blood pushing against the artery walls is consistently
too high. The heart has to work harder to pump blood.
Blood pressure is measured in millimeters of mercury (mm Hg). In
general, hypertension is a blood pressure reading of 130/80
millimeters of mercury (mm Hg) or higher.
The American College of Cardiology and the American Heart
Association divide blood pressure into four general categories. Ideal
blood pressure is categorized as normal.)
● Normal blood pressure. Blood pressure is 120/80 mm Hg or
lower.
● Elevated blood pressure. The top number ranges from 120 to
129 mm Hg and the bottom number is below, not above, 80 mm
Hg.
● Stage 1 hypertension. The top number ranges from 130 to 139
mm Hg or the bottom number is between 80 and 89 mm Hg.
● Stage 2 hypertension. The top number is 140 mm Hg or higher
or the bottom number is 90 mm Hg or higher.
Blood pressure higher than 180/120 mm Hg is considered a
hypertensive emergency or crisis. Seek emergency medical help for
anyone with these blood pressure numbers.
Untreated, high blood pressure increases the risk of heart attack,
stroke and other serious health problems. It's important to have your
blood pressure checked at least every two years starting at age 18.
Some people need more-frequent checks.
Healthy lifestyle habits —such as not smoking, exercising and eating
well — can help prevent and treat high blood pressure. Some people
need medicine to treat high blood pressure.
Products & Services
A Book: Mayo Clinic on High Blood Pressure
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