Aortic stenosis is abnormal narrowing of the aortic valve. A number of conditions cause disease resulting in narrowing of the aortic valve. When the degree of narrowing becomes significant enough to impede the flow of blood from the left ventricle to the arteries, heart problems develop.
Amnesia. Amnesia is a deficit in memory caused by brain damage, disease, or psychological trauma. Amnesia can also be caused temporarily by the use of various sedatives and hypnotic drugs. Essentially, amnesia is loss of memory.The memory can be either wholly or partially lost due to the extent of damage that was caused.mnesia is a deficit in memory caused by brain damage, disease, or psychological trauma. Amnesia can also be caused temporarily by the use of various sedatives and hypnotic drugs.
1 Anoxia: Loss of oxygen supply to the brain can lead to temporary memory loss. 2  Degenerative disease condition such as Alzheimer disease can cause amnesia.  Emotional trauma during childhood is another significant cause of amnesia [3].