May be caused by partial occlusion of an artery by atherosclerosis, or from a small embolus, a vascular. spasm Transient ischemic attack Occurs when the blood and oxygen supply to the myocardium is impaired or the heart is working harder and needs more oxygen angia A progressive degenerative disease affecting mortar in rounds in the cerebral cortex the brain stem and spinal cord ALS Occurs when the heart is unable to pump sufficient blood to meet the metabolic needs of the body Congestive heart failure A presence of plaques consisting of lipid cells, fibrin, and cell debris often with attached thrombi Atherosclerosis A progressive degenerative disease that affects motor function their loss of extrapyramidal activity Parkinson's disease Characterized by progressive tissue degeneration and obstruction in the airway of the lungs COPD Chronic disorder of uric acid and metabolism that manifest as an acute, episodic form of arthritis Gouty Arthritis