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lesson 4
Question | Answer |
---|---|
how many beats does our heart beat a year? | 35 million times |
how many chambers do you have in your heart? | 4 chambers |
what does blue represent? | oxygen poor blood |
what does red represent | oxygen rich blood |
what is the aorta? | oxygen rich blood pumped out to the body |
what id the pulmonary artery? | oxygen poor bloodpumped to the lungs to pick up oxygen |
what is angina pectoris? | chest pain caused |
what is atherosclerosis? | condition of plaque clogging an artery and causes the heart to recieve less oxygen |
how can heart tissue be damaged? | injury,smoking,drug abuse,and excessive drinking |
what is myocardial ischemia? | when cardiac oxygen supply and damand are different which means the heart is using more oxygen then it gets |
surgical procedures- | angioplasty,bypass |
what size is an aduts heart? | their two fists put together |
where is the heart located? | in the center of the chest with a slight lean to the left |
what are the cardiac emergencies? | cardiac distress and cardiac arrest |
distress- | the heart is recieving less oxygen this would result in chest pain and a less efficient heart |
blood clot- | when plaque builds up in a artery it may tare at times and blood platelets will stick to it |
how can you get clogged arteries? | plaque |
what is atherosclerosis? | plaque clogging an artery causing the heart to recieve less oxygen |
blood clot- | when plaque builds up in a artery |
what is first in the cardiac chain of survival? | early recognition and access |
what is second in the cardiac chain of survival? | early CPR |
true/false does CPR restart a heart? | false |
what is first in the cardiac chain of survival? | early recognition and access |
what is second in the cardiac chain of survival? | early CPR |
true/false does CPR restart a heart? | false |
what does a (AED) do? | it can re-establish an effective heart rhythum |
why would you stop CPR? | 1. if the scene becomes unsafe 2.their breathing 3. aed is avaliable 4.too tired 5.ems is there |
what is third in the cardiac chain of survival? | early defibrillation (AED) |
how many chest compressions does one cycle have ? | 30 chest compressions |
what does a (AED) do? | it can re-establish an effective heart rhythum |
what is fourth in the cardiac chain of survival? | early advanced medical care |
how many chest compressions does one cycle have ? | 30 chest compressions |
how many rescue breaths do you give after the chest compressions?(one cycle) | 2 rescue breaths |