Systemic Circulation
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| Pulse Pressure | systolic - diastolic
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| Current = | Voltage/resistance
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| TPR | total peripheral resistance
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| Q= | Arterial Pressure / TPR
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| MAP | Mean Arterial Pressure
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| MAP = | Diastolic + 1/3(PP)
CO X TPR
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| SV = | EDV-ESV
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| CO = | SV X HR
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| 80% of total BV is in the ___________ | systemic circulation
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| Most of the blood in the systemic circulation is in the | veins
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| Central BV contains _____% of total BV | ~20-25
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| Central BV is | Central vena cava
Intrathoracic portions of the inferior vena cava
Right atrium and ventricle
pulmonary circulation
left atrium
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| CVP | central venous pressure
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| 2 ways to alter CBV | increase or decrease the total BV OR redistribute the BV you have
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| MSFP | mean circulatory filling pressure
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| Venous return must equal | cardiac output
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| Right atrial pressure depends on | Cardiac Output and Venous return
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| Venous return determines | Right Atrial Pressure
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| Right Atrial Pressure determines | Venous Return and Cardiac Output
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| Things that shift teh vascular curve up and down are | blood volume and venous tone
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| What happens to MCFP when there is more BV or an increase in VT? | increase
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| Things that can change MCFP | SNS tone
blood volume
contraction of skeletal muscle
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| Increasing arteriolar resistance __________ venous return | increases
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| Cardiac function curve plots cardiac function as a functino of | RAP or CVP
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| Increased TPR effect on cardiac function and venous return curves | Vasoconstriction
Lowers CO
May shift both cardiac function and venous return curves
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| Heart Failure effect on the venous return and cardiac function curve | Cardiac function goes down and then Venous Return goes up to compensate
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