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31 Cards in this Set
- Front
- Back
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How many chambers are in the heart?
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4
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Where does the heart sit in the chest?
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middle/left side, tilts slightly backward, size of fist
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sequence of blood flow?
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vena cava, right atrium, ticuspid calve, right ventricle, plumonary valve, pulmonary atery, lungs, pulmonary vein, left atrium, mitral valve, left ventricle, aortic valve, aorta
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Which two pairs of valves function at the same time?
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pulmonary/aortic, tricuspid/mitral
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how much does a normal healthy heart weigh?
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1/2-3/4 lbs
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what is the sack of serous fluid that holds the heart in place?
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pericardium
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which ventricle is most muscular?
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left
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what is the wall dividing the right/left?
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septum
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what triggers a heart beat w/ an electrical pulse?
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sinoatrial node
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what is the main part of the muscle?
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myocardium
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what is the thin inner lining?
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endocardium
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what is a slow heartbeat?
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bradycardia
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what is fast heart rate?
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tachycardia
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how much blood does the avg adult produce?
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5L (10pints)
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What doe red blood cells transport?
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oxygen
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what do white blood cells do?
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fight disease/infection
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how much blood will the heart pump in a normal life?
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1 million barrels
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what % of blood is your body weight?
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7%
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what % of blood is whole blood and plasma?
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45% to 55%
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Which way do arteries conduct blood?
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away from the heart
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which way do veins go?
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to the heart
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What is the ideal range for blood pressure?
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120/180
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what is blood pressure?
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how much pressure is being placed on the walls of the arteries/veins
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what is the cardiac cycle?
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atrial systole, ventricular systole, complete cardia diastole
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what is atrial systole?
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contraction of atria
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what is ventricular systole?
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contraction of ventricle
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what is complete cardia diastole?
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relaxation
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What is cardiac arrest?
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heart itself being inable to pump blood
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what is the test that measures heart beat?
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EKG (electrocardiagram)
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What is the technical name for atherosclorosis?
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isachaemic heart disease
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what is angina?
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reduction of blood supply to the heart
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