Term
Describe the cardiac cycle |
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Definition
Sequence of contraction and relaxation |
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Term
How many valves does the heart have? |
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Definition
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Term
When the heart is diastole what state is the heart in? |
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Definition
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Term
When your heart is in the diastole state what is it time for? |
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Definition
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Term
Whats the volume of the diastolic? |
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Definition
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Term
What contrasts first- ahead of ventricles? |
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Definition
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Term
Atrial systole completes filling of what? |
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Definition
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Term
What follows atrial contraction? |
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Definition
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Term
Which way does the contraction spread in the ventricular systole? |
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Definition
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Term
What pressure must be greater than aorta to open aortic valve? |
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Definition
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Term
With aortic pressure, high blood pressure puts greater load on what? |
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Definition
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Term
About how much blood is ejected from the blood every beat? |
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Definition
between 70-90 ml of blood |
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Term
what does it mean when you have a lower heart rate? |
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Definition
it means higher ejected volume |
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Term
How can you find the max heart rate? |
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Definition
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Term
What is the life threatening issue with heart rate? |
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Definition
rates above 180 decrease filling time. |
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Term
Non laminar flow means what? |
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Definition
sound when valves should be closed |
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Term
In valve stenosis the valve is stiff and has what else? |
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Definition
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Term
Turbulent flow as what squirts through? |
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Definition
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Term
Children with heart murmur often times can do what with the murmur? |
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Definition
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Term
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Definition
amount of blood entering heart during diastolic phase |
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Term
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Definition
amount of blood pumped per min |
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Term
How many liters of blood does the body have? |
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Definition
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Term
how long does it take the blood to circulate through the body? |
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Definition
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Term
In neural influences what changes? |
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Definition
Stroke volume and heart rate. |
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Term
What is dominant at rest? |
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Definition
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Term
If you cut the vagus nerve what will happen? |
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Definition
Heart rate will go up immediately |
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Term
In the sympathetic system what will increase and cause the channel to open up? |
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Definition
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Term
When depolarization speeds up what happens to heart rate? |
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Definition
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Term
When there is more calcium there is more force which increase what else? |
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Definition
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