wednesday, feb 8, 2012 objective : describe the dangers of high blood pressure br: fill in the...
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Wednesday, Feb 8, 2012
Objective: Describe the dangers of high blood pressure
BR: Fill in the blanks. For arteries __________ blood flows __________ the heart.
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30 Seconds Remaining…
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10 Seconds Remaining…
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Time’s up! Put Bell Ringer in Folder
Today’s Agenda:
• Circulatory System Recap
• Blood Pressure Notes
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Blood Vessel Name
Direction of blood flow
Usual Color of blood
Why
Arteries
Veins
Away from heart
Towards heart
Red
Blue
Blood is oxygenated
Blood is unoxygenated
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Pulmonic Circuit
Circulation of blood flow from the R side of to lungs to L side of
** Pulmonic = lungs!
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Systemic Circuit
Circulation of blood flow from the L side of to tissues in rest of body to R side of
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Blood Flow Through the Circulatory System
Tissues in rest
of body
P Veins
LAMV
LV
AVAorta
PA
PV
RV
SVC & IVC
RA
TVBLOODFLOW THROUGH THE HEART
Copy your class created flowchart into the one provided below. Use abbreviations (ex: Left Atrium = LA). When finished, use a red and blue colored pencil to indicate by outlining the box if blood flowing through
here is oxygenated (red) or unoxygenated (blue).
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Cornell Notes
• Topic/Title: Blood Pressure
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Vital Signs
Taken to measure how the body is functioning
1. Temperature2. Respiratory Rate (breathing rate)3. Pulse4. Blood Pressure
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PulseThe pulse you feel when placing two fingers on
your wrist is your left ventricle contracting or squeezing.
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Blood Pressure
• The pressure needed to move blood through the body’s blood vessels. – varies depending on age, diet, obesity, heredity,
race, stress, and gender.
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Blood PressureA normal adult blood pressure is:
_____________120
80
The top number is called systolic pressure. This is measured when the heart is contracting.
The bottom number is called diastolic pressure. This is measured when the heart is relaxing.
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High Blood Pressure
• A person with a systolic reading of anything higher than 140 mmHg, is considered to have hypertension, or high blood pressure
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Low Blood Pressure
• A person with a systolic reading of anything lower than 100 mmHg, is considered to have hypotension, or low blood pressure.
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Blood Pressure:
_____________160
80
What do you know about a person with this blood pressure?
This person has high blood pressure because the systolic (top) number is above 140 mmHg
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Dangers of High Blood Pressure
• Low life expectancy• Heart Attack• Stroke• Headaches• Weakened heart• Dizziness• Sweating
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Summary
• Compare the blood pressure numbers for someone with high, low and normal blood pressure
• Summarize what can occur if someone has high blood pressure.
• Explain what a pulse is.