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47 Cards in this Set
- Front
- Back
Cardiovascular System
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Network of organs and vessels through which the blood flows as it carries oxygen and nutrients
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atria
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the hearts two upper chambers: receive blood
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ventricles
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two lower chambers of the heart. pump blood through blood vessels
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arteries
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vessels that carry blood away away from the heart.
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Pulmonary Arteries (What do they carry)
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De oxygenated blood. to the lungs.
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arterioles
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Branches of arteries (smaller denomination)
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capillaries
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(smallest denomination) branches from arterioles / venules. thin walls exchange oxygen carbon dioxide nutrients and waste products among body cells.
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veins / venules
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transport carbon dioxide / waste products to lungs / kidneys.
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sinoatrial node (SA node)
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Cluster of electric pulse generating cells that serve as natural pacemaker for heart.
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average heart rate beat
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70 to 80 times per minute
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well conditioned heart rate beat
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50 to 60
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troubled heart beat
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80 to 90 bpm
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#1 Cause of death and more than next three deaths combined
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Cardiovascular Disease(s)
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sudden cardiac arrest
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abrupt profound loss of heart function
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next three leading causes of death:
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cancer, chronic lower respiratory diseases, accidents.
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#1 killer in cardiovascular disease category
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Coronary Heart Disease
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Atherosclerosis
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fatty substances (waste products) build up in inner lining of artery.
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Hyperlipidemia
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Abnormally high blood lipid level
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ischemia
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limit to oxygen supply
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Coronary Heart Disease
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Greatest Killer in cardiovascular disease category.
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Coronary Thombosis
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clot
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thrombus
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clot
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embolus
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dislodged clot
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stroke
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blood supply to brain is interrupted.
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ischemic
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reduced blood flow
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hemorrhagic
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rupture of blood
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TIA (Transient Ischemic Attacks)
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brief interruption to brain blood supply. Temporary impairment.
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Healthy Blood Pressure
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120/80
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Nitroglycerin
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drug used to relax (dilate) veins
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Congestive Heart Failure
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damaged / overworking heart muscle is unable to keep blood flow circulating normally
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HDL (High Density Lipids)
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at least 60 mg/dl and above (good lipid)
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LDL (Low Density Lipids)
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(bad lipid) less than 100 mg / dl
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Angioplasty
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involves threading a thin catheter through blocked artieries.
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Stance on Aspirin
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NOT recommended to stop heart failure.
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Diabetes is?
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Fastest growing chronic disease in america
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Diabetes Mellitus
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persistently high level of blood glucose and an unusually high glucose in urine.
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Type 2 percentage of cases
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(90-95%) Type I more serious.
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peripheral artery disease
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atherosclerosis in lower extremities (feet etc)
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angina pectoris
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condition with chest pain caused by reduced oxygen flow to heart
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Rheumatic heart disease
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untreated streptococcal infection in throat.
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metabolic syndrome
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group of metabolic syndromes in conjunction to increase risk of heart disease, stroke, and diabeetus
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Triglycerides
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most common lipid in body. excess calories are converted into this and stored as body fat.
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Techniques to detect issues:
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electrocardiogram (ECG), aniography, Positron Emission Tomography (PET SCAN(
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electrocardiogram
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record of electrical activity of heart.
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aniography
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technique for examining blockages in heart arteries
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PET SCAN
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measure heart activity by injecting patient w/ radioactive tracer that is scanned electronically to detect issues
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angioplasty
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catherer surgery
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