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.
Symptoms of a Clogged Artery in the Neck A clogged artery in the neck is also referred to as carotid artery disease. This condition is what leads to stroke, since... Blocked Artery Symptoms In the United States, heart disease is the leading cause of death in middle-aged men and women.