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19 Cards in this Set
- Front
- Back
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list structures in carotid sheath and orientation
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lateral: internal jugular vein. medial: common carotid artery, vagus nerve (posterior)
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what artery supplies the SA and AV
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RCA
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what does right dominant mean?
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posterior descending (supplies inferior left ventricle) comes out of RCA
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where is the most common artery occlusion
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LAD
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where does LAD run
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anterior interventricular septum
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when do coronary arteries fill?
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diastole
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what is a complication of left atrium enlargement?
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dysphagia
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what is the most anterior part of the heart
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right ventricle
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part of heart most on right
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right atrium
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part of heart most on left
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left ventricle
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posterior of heart
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left atrium
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formula for pick's principle
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CO = (rate of oxygen consumption)/(arterial O2 content - venous O2 content)
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mean arterial pressure formula
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cardiac output x TPR
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cardiac output formula
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co = HR x SV
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how to calculate MAP (BP) from systolic and diastolic pressures
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map = 1/3 systolic + 2/3 diastolic
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how do you calculate pulse pressure?
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systolic pressure - diastolic pressure
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what is pulse pressure a rough approximation of?
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stroke volume
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calculate stroke volume
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SV = EDV-ESV
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what 3 factors alter stroke volume?
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contractility, afterload, preload
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