chapter 14 lesson 2 heart disease next >> teacher’s notes are available in the notes section...
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Chapter 14
Lesson 2Heart Disease
Next >>Teacher’s notes are available in the notes section of this presentation.
A group of disorders that cause a thickening and hardening of the arteries
arteriosclerosis
A condition that occurs when fatty substances build up on the inner lining of the arteries
atherosclerosis
A serious condition that occurs when the blood supply to the heart slows or stops and the heart muscle is damaged
heart attack
A disease in which the pressure of the blood on the walls of the blood vessels stays at a level that is higher than normal
hypertension
A serious condition that occurs when an artery of the brain breaks or becomes blocked
stroke
A surgical procedure in which an instrument with a tiny balloon, drill bit, or laser attached is inserted into a blocked artery to clear the blockage
angioplasty
In this lesson, you will learn to
identify types of heart disease.
explain how to reduce the risk of heart disease.
describe how heart disease is treated.
analyze the influences of food advertising on heart health.
explain how strokes and hypertension are related to heart disease.
What Is Cardiovascular Disease?
Cardiovascular or heart disease is any condition that reduces the strength of the heart and blood vessels.
Sometimes, heart disease is due to heredity, but it is usually related to lifestyle.
People who Smoke
get very little exercisehave other unhealthy habits like poor diet
are more at risk for developing heart disease.
Types of Coronary Heart Disease
The heart is a musclethat pumps blood through the body.
Coronary arteries onthe surface of the heart
supply it with oxygen-rich blood.
Veins on the hearttake oxygen-poor
blood away.
If the coronaryarteries are clear,blood flows freely.
If the coronaryarteries are blocked,
coronary diseasebegins to develop.
The coronary arteriesBring blood to the heart
From the lungs Oxygen Rich
A healthy coronary arteryIs free of fatty substances
Blood can flow through
An unhealthy coronary artery has a buildup
of fatty substances that partially block
the flow of blood
Types of Coronary Heart Disease
Arteriosclerosis is a group of disorders that includes atherosclerosis.
arteriosclerosis A group of diseases that cause a thickening and hardening of the arteries
atherosclerosis A condition that occurs when fatty substances build up on the inner lining of the arteries
When buildup collects inside the arteries, it takes up space needed for blood to flow through.
If the coronary arteries become blocked with too much buildup, the heart may not get enough oxygen.
A Heart Attack
A heart attack can happen if the heart does not get enough oxygen from the blood.
heart attack A serious condition that occurs when the blood supply to the heart slows or stops and the heart muscle is damaged.
A Heart Attack
Symptoms of a Heart Attackfor Males
Symptoms of a Heart Attackfor Females
Pain or pressure in the chest
Pain in the arms, jaw, back orabdomen
Shortness of breath
Shortness of breath
Cold skin
Nausea
Passing out
Similar to males, but more likelythan males to experience
shortness of breath, nausea, andpain in their back jaw.
Other Problems of the Circulatory System
Hypertension can lead to a heart attack or a stroke.
hypertension A disease in which the pressure of the blood on the walls of the blood vessels stays at a level that is higher than normal
stroke A serious condition that occurs when an artery of the brain breaks or becomes blocked
Hypertension:People who have hypertension can manage the condition by following a healthful eating plan, exercising regularly, avoiding stress, and taking medicine if needed.
Stroke:Like the heart, the brain needs plenty of oxygen and nutrients to function.If an artery leaks or develops a thick mass called a clot, blood flow to the part of the brain is interrupted, causing damage.The effects of a stroke depend on what part of the brain is affected.
Other Problems of the Circulatory System
Preventing Heart Disease
Limit cholesterol,trans fats, and saturated fats.
Limit cholesterol,trans fats, and saturated fats.
Participate in regularphysical activity.
Participate in regularphysical activity.
Maintain a healthy weight.Maintain a healthy weight.
Manage stress.Manage stress.
Stay tobacco free.Stay tobacco free.
Stay alcohol free.Stay alcohol free.
Eat healthful foods.Eat healthful foods.
Treating Heart Disease
Angioplasty is a popular method for treating heart disease.
angioplasty A surgical procedure in which an instrument with a tiny balloon, drill bit, or laser attached is inserted into a blocked artery to clear a blockage
Treating Heart Disease
Other methods used to treat heart disease are:
Medications
Pacemakers
Bypass surgery
Heart transplants
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Chapter 14NoncommunicableDiseases
Lesson 2Heart Disease
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