Switching the hypothesis and conclusion of a conditional statement. For example, the converse of If it is raining then the grass is wet is If the grass is wet then it is raining.. Note: As in the example, a proposition may be true but have a false converse. See also.
In many instances, clogged arteries do not cause any symptoms until a major event, such as a heart attack or stroke, occurs. At other times, especially when the the artery is blocked by 70% or more, the buildup of arterial plaque may cause symptoms that include: 1  Chest pain. 2  Shortness of breath. 3  Heart palpitations.4  Weakness or dizziness. 5  Nausea.6  Sweating.t other times, especially when the the artery is blocked by 70% or more, the buildup of arterial plaque may cause symptoms that include: 1  Chest pain. 2  Shortness of breath. 3  Heart palpitations. 4  Weakness or dizziness.
Clogged arteries, technically called atherosclerosis or hardening. of the arteries, occurs when plaque builds up inside the walls of. your arteries, causing them to narrow. Artery plaque is made up. of cholesterol, inflammatory cells, fat and other waste materials. When it hardens, artery plaque prevents blood circulating. efficiently and puts strain on the heart muscle, eventually. causing high blood pressure and heart disease.