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Summary of Major Factors Influencing CO (↓ BP activates cardiac centers in…
Summary of Major Factors Influencing CO
Exercise
↑ Activity of respiratory pump (ventral body cavity pressure)
↑ Activity of muscular pump (skeletal muscle)
↑ Sympathetic venoconstriction
↑ Venous Return
↑ EDV (end diastolic volume)
↑ Stroke Volume
↑ Cardiac output
↓ BP activates cardiac centers in medulla
↑ Sympathetic activity
↑ Epinephrine in blood
↑ Contractility of cardiac muscle
↑ Heart rate
↑ Contractility of cardiac muscle
↓ ESV (end systolic volume)
↑ Stroke volume
↑ Cardiac output
↑ Hear rate
↑ Cardiac output
↓ Parasympathetic activity
↑ Heart rate