What are the consequences of high blood pressure?
Uncontrolled high blood pressure can lead to complications including:
- Heart attack or stroke.
- Heart failure.
- Weakened and narrowed blood vessels in your kidneys.
- Thickened, narrowed or torn blood vessels in the eyes.
- Metabolic syndrome.
- Trouble with memory or understanding.
What happens when blood pressure is high biology?
When blood pressure is elevated, the heart and arteries have to work harder than normal to pump blood through the body. The extra work thickens the muscles of the heart and arteries and hardens or damages artery walls. As a result, the flow of blood and oxygen to the heart and other organs is reduced.
What is high blood pressure GCSE?
Average blood pressure for an adult in 120/80 mmHg. High blood pressure is known as hypertension and is a major risk factor for developing many cardiovascular diseases.
How does high blood pressure cause coronary heart disease GCSE?
Blood flows through arteries at high pressure. Saturated animal fats such as cholesterol can stick to the walls of the arteries. This build up is called a plaque. Plaques can slow down or block the flow of blood.
How long can you have high blood pressure before it causes damage?
High blood pressure (hypertension) can quietly damage the body for years before symptoms develop. Uncontrolled high blood pressure can lead to disability, a poor quality of life, or even a deadly heart attack or stroke.
What are 3 internal factors that can alter a person’s blood pressure?
The three factors that contribute to blood pressure are resistance, blood viscosity, and blood vessel diameter. Resistance in peripheral circulation is used as a measure of this factor.
What is the life expectancy of someone with high blood pressure?
Men with normal pressure could expect to live 5.1 years longer than those with hypertension, the study found; women could plan on another 4.9 years of life. Cardiovascular disease is the leading cause of death in the world and high blood pressure is one of the most important risk factors for this disease.
Can high blood pressure be reversed?
How is it Treated? When there’s no obvious cause, doctors typically treat high blood pressure with medication. But certain risk factors are reversible, like quitting smoking, managing stress, following a healthier diet with less salt, getting regular exercise and losing weight.
What is systole GCSE PE?
Systolic is when the heart contracts and diastolic is when the heart relaxes. The average blood pressure for an adult is 120/80 mmHg.
What is blood pressure ks2?
Blood pressure is the force, or pressure that makes the blood flow round the body. Blood pressure is often shortened to BP. When the heart beats, or contracts, it pushes blood through blood vessels called arteries. When the heart relaxes between beats, blood returns to the heart through blood vessels called veins.