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40 Cards in this Set
- Front
- Back
|
purpose of heart
|
move blood
gas exchange nutrient delivery |
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pulmonary circulation
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blood to and from lungs
|
|
systemic circulation
|
left side of heart pumps blood to the body
|
|
SA node?
|
natural pacemaker
|
|
AV node?
|
conduction
|
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atria, ventricles?
|
mechanical contraction
|
|
systolic bp?
|
when bp is highest
<120 |
|
diastolic bp?
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when bp is lowest
<80 |
|
tachycardia
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>100 bpm
ventricles dont fill completely caused by exercise, fever, pain, anxiety, stress |
|
bradycardia
|
<60 bpm
lack of oxygen throughout body and brain heart block |
|
purpose of liver
|
makes bile and cholesterol
converts energy into fat clears blood of drugs and bacteria |
|
purpose of bile
|
breaks down fats in small intestine during digestion
|
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purpose of cholesterol
|
carry fats through body
HDL - good LDL - bad |
|
hypertension
|
high blood pressure
|
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atherosclerosis
|
blood vessels narrowed by fatty deposits
|
|
purpose of liver
|
makes bile and cholesterol
converts energy into fat clears blood of drugs and bacteria |
|
heart attack
|
myocardial infarction
vessels in heart blocked |
|
purpose of bile
|
breaks down fats in small intestine during digestion
|
|
stroke
|
impeded blood supply to brain
|
|
purpose of cholesterol
|
carry fats through body
HDL - good LDL - bad |
|
congestive heart failure
|
blood backs up in veins leading to heart
causes fluid retention in body parts |
|
hypertension
|
high blood pressure
|
|
angina pectoris
|
chest pain
heart doesnt get enough oxygen |
|
atherosclerosis
|
blood vessels narrowed by fatty deposits
|
|
heart attack
|
myocardial infarction
vessels in heart blocked |
|
arrhythmias
|
disruption of electrical system
|
|
stroke
|
impeded blood supply to brain
|
|
congestive heart failure
|
blood backs up in veins leading to heart
causes fluid retention in body parts |
|
angina pectoris
|
chest pain
heart doesnt get enough oxygen |
|
arrhythmias
|
disruption of electrical system
|
|
effects of tobacco use
|
2-3 times increased risk of heart attack
decrease HDLs CO displaces O2 increase blood thickness constriction in blood vessels |
|
effects of exercise
|
decrease LDLs and increase HDLs
control blood pressure maintain weight control diabetes manage stress |
|
how to reduce cholesterol
|
exercise
diet changes |
|
how to increase HDL
|
aerobic exercise
|
|
how to decrease LDL
|
diet changes
medications |
|
chest pain
|
lack of blood and oxygen to heart
|
|
atherosclerosis
|
plaque build up
increase risk for heart attack and stroke |
|
ischemic stroke
|
thrombotic - clot forms in cerebral artery
embolic - wondering blood clot |
|
hemorrhagic stroke
|
blood vessel ruptures in brain
aneurysm |
|
stroke warnings
|
sudden numbness on one side of body
loss of speech loss of vision unexplained dizziness |
