Systemic vascular resistance is the amount of resistance during blood flow in systemic vasculature. This, of course excludes pulmonary vasculature. See, systemic vasculature is merely the arterial portion of the cardiovascular system, which carries oxygen-rich blood throughout the body, toward various tissues. This diffusion of oxygen is vital for energy production (ATP), among many other very […]
The frank starling mechanism, or the frank starling law of the heart is the relationship between stroke volume (SV) and end-diastolic volume (EDV). The frank starling mechanism can be illustrated as a curve, where you can see how an increase or decrease in the curve will cause a shift in both SV and EDV. However, […]
Cardiac output is the amount of blood pumped out of the heart per minute. This value is especially important for individuals who suffer from cardiovascular disease or who suffer from any cardiovascular risk factors in general. Cardiac output often gets confused with stroke volume, which is the amount of blood pumped out of either ventricle […]
In a nutshell, pulse pressure is simply the difference between the systolic and diastolic pressure readings that make up your blood pressure. The systolic value is the higher number, which records the amount of pressure in the arteries during the contraction phase of a heart beat. The diastolic value is the lower number, which records the amount of […]
Using a blood pressure chart is essential if you suffer from hypertension or even prehypertension. It will essentially allow you to better understand how healthy your heart is. The blood pressure chart below shows you all of the categories and ranges that you should be aware of as you work toward attaining a healthier heart […]
The mean arterial pressure is the average blood pressure (BP) in the arteries throughout the cardiac cycle. This is a very important value as this number gives us more of an overall indication of the force exerted by blood against the arterial walls. The average BP for a male is 120/80 mm Hg and 110/70 […]
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