heart disease, high blood pressure & strokes Flashcards
what are common names for heart disease?
1) coronary heart disease
2) CHD
what is the leading cause of death around the world?
coronary heart disease
what is coronary heart disease?
where coronary arteries become blocked/start to narrow by a gradual build up of fatty deposits
what is the function of coronary arteries?
to supply the heart muscle with oxygenated blood
what is the process of gradual fatty build up in arteries called?
atherosclerosis
what are the fatty deposits called?
atheroma
what are some causes of atherosclerosis?
1) high Blood Pressure
2) high levels of cholesterol
3) lack of exercise
4) smoking
what is the main symptom of atherosclerosis?
pain and discomfort
what is the scientific name for this pain?
angina
what can happen if fatty deposits break off the coronary artery?
a blood clot can form resulting in blockages
this can cut off supply of oxygenated blood to the heart muscle = heart attack
what is the recommended amount of exercise time per week?
150 minutes
what negative effect can high blood pressure have on the body?
it can put extra strain on the arteries and heart
what risks are there if high blood pressure is left untreated?
increased risk of heart attack, heart failure, kidney disease, stroke or dementia
where is blood pressure measured and what does a typical reading look like?
measured at: brachial artery in upper arm
typical reading: 120mmHg/80
(mmHg = millimetres of mercury)
what can be done to reduce high blood pressure?
regular aerobic exercise
it lowers both systolic and diastolic pressure