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Cardiovascular Health and Disease

Cardiovascular Health and Disease

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Author: Aaron Mullally
Description:

This lesson will identify various diseases and disorders of the cardiovascular system as well as steps that can be taken to maintain your cardiovascular health.

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Tutorial

Cardiovascular Diseases

Source: Hyperlipidemia image, Public Domain: http://bit.ly/SHO3sS; Atherosclerosis image, Creative Commons: http://bit.ly/gXM70M; Angioplasty image, Creative Commons: http://bit.ly/QBPfT3; Bypass surgery image, Creative Commons: http://bit.ly/TEZLWe

TERMS TO KNOW
  • Arteriosclerosis

    The hardening of arteries.

  • Aneurysm

    A weak spot on an artery that bursts.

  • Heart Attack

    Damage to heart muscle which leads to decreased blood flow and decreased oxygen to the heart.

  • Plaque

    A mass that clogs an artery formed by buildup of cholesterol in the artery.

  • Thrombus

    A clot that forms in a vessel and sticks to a plaque.

  • Embolus

    A clot that forms at the site of a plaque then floats into the bloodstream.

  • High Cholesterol

    A condition in which blood is too high in lipoproteins and causes buildup in arteries.

  • Lipoproteins

    Cholesterol in the blood such as high-density ("good" cholesterol) and low-density lipoproteins ("bad" cholesterol).

  • Coronary Bypass

    Treatment of blocked arteries that involves a section of artery being stitched to the aorta and to a section of vessel below the blocked area.

  • Balloon Angioplasty

    Treatment of blocked arteries that involves inflating a balloon inside an artery to condense a plaque to increase blood flow.