Hypertension Flashcards

1
Q

what is blood pressure?

A

the pressure on the blood vessel walls exerted by the heart

cardiac output x peripheral resistance

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2
Q

what is systolic blood pressure?

A

left ventricle contracts and expels blood into the aorta, this is the pressure of the heart at work and is called systolic pressure
health 120mmHg

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3
Q

what is diastolic blood pressure?

A

the aortic valve closes to prevent backward blood flow

health 70mmHg

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4
Q

how is BP controlled?

A

by nerves, chemicals and renal factors which regulate and maintain a steady flow of blood around the body and is vital in maintaining organ function

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5
Q

factors affecting blood pressure?

A
age 
diet
weight
race
familial tendencies
lifestyle (smoking)
stress
emotional factors
pregnancy
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6
Q

outline classifications of high blood pressure

A

mild - 140-159/90-99
moderate 160-179/100-109
severe- 180+/110+

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7
Q

what are the recommendations for high blood pressure?

A
maintain BMI 20-25
reduce salt intake <100mmols a day
limit alcohol intake
regular exercise at least 3x weekly
health diet (5 a day)
reduced saturated fat intake
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8
Q

what can long term undiagnosed high bp cause?

A

heart disease, heart failure, renal failure, stroke

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