MEDULLARY NARCOSIS Meaning and
Definition
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Medullary narcosis refers to a state of sedation or unconsciousness caused by the depression of the medulla oblongata, a vital region of the brainstem responsible for controlling vital functions such as heart rate, breathing, and blood pressure. It is a term commonly used in the field of anesthesia and toxicology.
Medullary narcosis occurs when the medulla oblongata is suppressed by the effects of certain substances, particularly central nervous system depressants like opioids, tranquilizers, or barbiturates. These substances bind to receptors in the brain, slowing down or inhibiting the transmission of nerve impulses, resulting in a profound state of sedation or even coma.
Symptoms of medullary narcosis can include a decrease in heart rate, shallow or slow breathing, low blood pressure, and loss of consciousness. This condition can be serious and potentially life-threatening as it can compromise vital bodily functions.
The treatment of medullary narcosis usually involves supportive measures such as maintaining a patent airway, ensuring adequate ventilation, and providing cardiovascular support as needed. Additionally, the underlying cause of the narcosis, such as the administration of a specific medication, needs to be identified and addressed.
In summary, medullary narcosis is a state of sedation or unconsciousness caused by the suppression of the medulla oblongata, often due to the effects of certain substances. It is a condition that requires immediate medical attention and intervention to ensure the preservation of vital bodily functions.
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General anesthesia induced by the injection of a local anesthetic such as cocaine or stovaine in the sheath of the lumbar spinal cord; spinal anesthesia(2).
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MEDULLARY NARCOSIS
- nedullary narcosis
- kedullary narcosis
- jedullary narcosis
- mwdullary narcosis
- msdullary narcosis
- mddullary narcosis
- mrdullary narcosis
- m4dullary narcosis
- m3dullary narcosis
- mesullary narcosis
- mexullary narcosis
- mecullary narcosis
- mefullary narcosis
- merullary narcosis
- meeullary narcosis
- medyllary narcosis
- medhllary narcosis
- medjllary narcosis
- medillary narcosis
- med8llary narcosis
Etymology of MEDULLARY NARCOSIS
The word "medullary narcosis" is derived from two main components: "medullary" and "narcosis".
1. "Medullary": The term "medullary" refers to the medulla, which is the innermost part or core of an organ or structure. In this context, it specifically refers to the medulla oblongata, which is the lower section of the brainstem responsible for several vital functions such as controlling breathing, heart rate, and blood pressure.
2.: comes from the Ancient Greek word "narkōsis" (νάρκωσις), which means "stupor" or "numbness". It is derived from the verb "narkein" (ναρκεῖν), which means "to make numb" or "to stupefy".
