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Carbon monoxide poisoning
Carbon monoxide poisoning Poisoning with carbon monoxide, a tasteless odorless gas that is a byproduct of combustion. Carbon monoxide acts as a poison by competing with oxygen for binding sites on hemoglobin, the molecule in red blood cells that carries oxygen from the lungs to the more remote tissues of the body and returns carbon dioxide from the tissues to the lungs. On inhalation, carbon monoxide binds to hemoglobin with a binding affinity 200--270 times greater than that of oxygen.
RELATED TERMS--------------------------------------
Poison
A substance that causes illness or death when eaten, drunk or absorbed into the body.
Oxygen
A chemical element essential for sustaining life.
Hemoglobin
Hemoglobin is a substance contained within the red blood cells and is responsible for their color. It has the unique property of combining reversibly with oxygen and is the medium by which oxygen is transported within the body. It takes up oxygen as blood passes through the lungs and releases it as blood passes through the tissues.
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
Lungs
The main respiratory organs in the chest where blood is oxygenated.
Affinity
A measure of the binding constant of a single antigen combining site with a monovalent antigenic determinant.
SIMILAR TERMS--------------------------------------
Carb
Slang for carbohydrate. Mainly sugars and starches, together constituting one of the three principal types of nutrients used as energy sources (calories) by the body. Carbohydrates can also be defined chemically as neutral compounds of carbon, hydrogen and oxygen.
Carbachol
Carbachol is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): carbachol.
Carbamazepine
An anticonvulsant.
Carbastat
Carbastat is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): carbachol.
Carbatrol
Carbatrol is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): carbamazepine.
Carbidopa
Carbidopa is a peripheral decarboxylase inhibitor. Dopa decarboxylase is an enzyme that converts levodopa into dopamine - a major neurotransmitter and neuromodular of cellular function. Carbidopa is sometimes used to prevent the peripheral conversion of levodopa into dopamine in peripheral sites such as the gut, thus allowing more levodopa to reach the brain where it can have therapeutic effects.
Carbidopa and levodopa
Carbidopa and levodopa is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): carbidopa; levodopa.
Carbilev
Carbilev is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): carbidopa; levodopa.
Carbinoxamine maleate
Carbinoxamine maleate is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): carbinoxamine maleate.
Carbo-loading
An eating routine used by some athletes that involves downing large amounts of carbohydrates several days before a potentially exhausting endurance event. Carbo-loading has no known potential benefits for anyone except athletes under these special circumstances.
Carbocaine
Carbocaine is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): mepivacaine hydrochloride.
Carbocaine with neo-cobefrin
Carbocaine with neo-cobefrin is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): levonordefrin; mepivacaine hydrochloride.
Carbohydrate
One of the three main classes of foods and a source of energy. Carbohydrates are mainly sugars and starches that the body breaks down into glucose (a simple sugar that the body can use to feed its cells). The body also uses carbohydrates to make a substance called glycogen that is stored in the liver and muscles for future use. If the body does not have enough insulin or cannot use the insulin it has, which are the basic problems in most forms of diabetes, then the body will not be able to use carbohydrates for energy the way it should.
Carbohydrate intake, infant
Carbohydrates (glucose, lactose, sucrose, galactose, etc.) are sugars or several sugars linked together. Carbohydrates provide energy (calories) for the brain tissues, muscles, and other organs.
Carbohydrates
A type of food, usually derived from plants; one of three nutrients that supply calories to the body; includes simple carbohydrates (sugar, fruit) and complex carbohydrates (vegetables, starches).
Carbolic acid
A synonym of phenol. In dilute solution, an antimicrobial agent.
Carbon dioxide
An odorless, colorless gas produced as the end product of aerobic respiration.
Carbon Dioxide
A gas created during metabolism, when the cells use oxygen to burn fat and release energy. The lungs release it when you breathe out.
Carbon dioxide content
A measure of the bicarbonate level in the blood. The normal carbon dioxide content may vary somewhat from one laboratory to another.
Carbon monoxide
An odorless, colorless, poisonous gas produced from the incomplete combustion of carbon. Prevents the blood from carrying oxygen.
Carbon Monoxide
A gas found in cigarette smoke; damages artery walls and reduces the ability of blood to carry oxygen, increasing the risk of coronary artery disease.
Carbondale Nursing Home
The Carbondale Nursing Home is a hospital in Carbondale, Pennsylvania, United States.
Carboplatin
Carboplatin is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): carboplatin.
Carboxyhemoglobin
Hemoglobin that has carbon monoxide instead of the normal oxygen bound to it. Carbon monoxide has a much great affinity than oxygen for hemoglobin. Carboxyhemoglobin is formed in carbon monoxide poisoning. The source of the carbon monoxide may be exhaust (such as from a car, truck, boat or generator), smoke from a fire, or tobacco smoke. The level of carboxyhemoglobin is a measure of the degree of carbon monoxide exposure.
Carboxyhemoglobinemia
The presence of carboxyhemoglobin in the blood. Carboxyhemoglobin, hemoglobin that has carbon monoxide bound to it, is formed in carbon monoxide poisoning, as from exhaust (such as from a car, truck, boat or generator), smoke from a fire, or tobacco smoke.
Carbuncle
A hard, painful, pus-filled infection of the skin. Carbuncles are larger than boils and frequently have more than one opening.
Carbuncles
A skin abscess, a collection of pus that forms inside the body. Antibiotics are often not very helpful in treating abscesses. The main treatments include hot packs and draining ("lancing") the abscess, but only when it is soft and ready to drain. If you have a fever or long-term illness, such as cancer or diabetes, or are taking medications that suppress the immune system, you should contact your healthcare practitioner if you develop an abscess.
PREVIOUS AND NEXT TERMS--------------------------------------
Carb
Slang for carbohydrate. Mainly sugars and starches, together constituting one of the three principal types of nutrients used as energy sources (calories) by the body. Carbohydrates can also be defined chemically as neutral compounds of carbon, hydrogen and oxygen.
Carbo-loading
An eating routine used by some athletes that involves downing large amounts of carbohydrates several days before a potentially exhausting endurance event. Carbo-loading has no known potential benefits for anyone except athletes under these special circumstances.
Carbohydrate intake, infant
Carbohydrates (glucose, lactose, sucrose, galactose, etc.) are sugars or several sugars linked together. Carbohydrates provide energy (calories) for the brain tissues, muscles, and other organs.
Carbolic acid
A synonym of phenol. In dilute solution, an antimicrobial agent.
Carbon dioxide content
A measure of the bicarbonate level in the blood. The normal carbon dioxide content may vary somewhat from one laboratory to another.
Carbon monoxide poisoning
Carboxyhemoglobin
Hemoglobin that has carbon monoxide instead of the normal oxygen bound to it. Carbon monoxide has a much great affinity than oxygen for hemoglobin. Carboxyhemoglobin is formed in carbon monoxide poisoning. The source of the carbon monoxide may be exhaust (such as from a car, truck, boat or generator), smoke from a fire, or tobacco smoke. The level of carboxyhemoglobin is a measure of the degree of carbon monoxide exposure.
Carboxyhemoglobinemia
The presence of carboxyhemoglobin in the blood. Carboxyhemoglobin, hemoglobin that has carbon monoxide bound to it, is formed in carbon monoxide poisoning, as from exhaust (such as from a car, truck, boat or generator), smoke from a fire, or tobacco smoke.
Carbuncles
A skin abscess, a collection of pus that forms inside the body. Antibiotics are often not very helpful in treating abscesses. The main treatments include hot packs and draining ("lancing") the abscess, but only when it is soft and ready to drain. If you have a fever or long-term illness, such as cancer or diabetes, or are taking medications that suppress the immune system, you should contact your healthcare practitioner if you develop an abscess.
Carcinoembryonic antigen
Carcinoembryonic antigen (CEA) is a protein found in many types of cells but associated with tumors and the developing fetus.
Carcinoid syndrome
A syndrome due to carcinoid tumor which secretes large amounts of the hormone serotonin. The syndrome is directly due to the serotonin. Features include flushing and blushing, swelling of the face (especially around the eyes), flat angiomas (little collections of dilated blood vessels) on the skin, diarrhea, bronchial spasm, rapid pulse, low blood pressure and tricuspid and pulmonary stenosis (narrowing of the tricuspid and pulmonic valves of the heart), often with regurgitation.
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