A symptomatic manifestation of ischemic heart disease, describing a severe squeezing or pressure-like thoracic pain, brought on by exertion or stress. Historically, the terms Stroke and Cerebrovascular Disease have been used interchangeably. However, the precise definitions and corresponding ICD-9 code groupings are different as outlined below. Cerebrovascular disease is a more general term including disrupted blood flow and all diseases of blood vessels of the brain. Thrombolytic strokes are due to cerebral thrombosis often superimposed on a plaque of atherosclerosis with symptom onset ranging from minutes to days.
Embolic strokes are due to cerebral embolism.
They usually have a sudden onset of symptoms reflecting abrupt loss of blood flow to the brain region of the occluded artery. A eukaryotic sterol molecule which is the precursor of bile acids and steroid hormones and an important component of cell membranes affecting their fluidity and permeability. Most cholesterol is synthesized by the liver and other tissues but some is acquired through the diet. Transportation of cholesterol in the blood plasma is accomplished by specific lipoproteins. Diabetes mellitus is a chronic syndrome of impaired carbohydrate, protein, and fat metabolism resulting from insufficient secretion of insulin from the pancreas or target tissue resistance to insulin.