people who have chronic high blood pressure often have stiff noncompliant arteri

Question

people who have chronic high blood pressure often have stiff noncompliant arteries due to atherosclerosis how will this affect blood flow through the arteries and left ventricle afterload people who have chronic high blood pressure often have stiff noncompliant arteries due to atherosclerosis how will this affect blood flow through the arteries and left ventricle afterload people who have chronic high blood pressure often have stiff noncompliant arteries due to atherosclerosis how will this affect blood flow through the arteries and left ventricle afterload

Explanation / Answer

Atherosclerosis causes narrowing of lumen of arteries. This causes changes in blood flow: laminar streamline flow changes to turbulent flow. The blood supply to the organs decrease and blood pressure is increased.

The definition of cardiac afterload is defined as the resistance that the ventricle has to overcome to eject blood from the ventricle during systole. Therefore, the ventricular afterload increases in atherosclerosis. This causes left ventricular hypertrophy to overcome the resistance in arteries.

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