Guide To The Symptoms Of Truncus Arteriosus

Excessive Sleepiness

Excessive sleepiness is a common manifestation of truncus arteriosus. When the feeling of tiredness interferes with an individual's ability to function normally, it means the body is shutting itself down to preserve energy. The body becomes tired and fatigued when it runs out of the cellular energy required for it to function as it should. Consistent low blood oxygen levels cause a decreased production of cellular energy, and this leads to poor function of the organ systems around the body. Also, poor oxygen delivery to the bones can result in the reduced capacity of the bone marrow responsible for the production of new blood cells. A reduced amount of functional blood cells further compounds the body's inability to deliver sufficient amounts of oxygen to its tissues. The body has a natural mechanism that attempts to preserve energy for essential organ system functions by the secretion of certain substances that cause an individual to feel tired and sluggish. This mechanism allows the body to use its energy on cellular repair, cell production, and other essential functions instead of on the individual's physical and mental activities. The lack of energy itself in combination with the body's response to it are what cause the patient to be excessively sleepy.

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