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B-type natriuretic peptide
B-type natriuretic peptide A 32-amino-acid polypeptide secreted by the ventricles of the heart in response to excessive stretching of myocytes (heart muscles cells) in the ventricles. The levels of B-type natriuretic peptide (BNP) are elevated in patients with left ventricular dysfunction. BNP levels correlate with both the severity of symptoms and the prognosis in congestive heart failure.
RELATED TERMS--------------------------------------
Ventricles
The lower, pumping chambers of the heart. The heart has two ventricles - the right and left ventricle.
Heart
The hollow, muscular organ responsible for pumping blood through the circulatory system.
Peptide
Two or more amino acids linked together.
Dysfunction
Difficult function or abnormal function.
Prognosis
The anticipated outcome of treatment.
SIMILAR TERMS--------------------------------------
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Bundle Branch Block
Normally, the electrical impulse travels down both the right and left bundle branches at the same speed and the ventricles contract at the same time. If there is a block in one of the branches, it is called a bundle branch block. A bundle branch block causes one ventricle to contract just after the other ventricle.
Bypass
A surgical procedure designed to increase blood flow to an organ or extremity that has narrowing or blockage of the blood supplying artery. Examples include coronary artery bypass surgery, aortic replacement, ABI (aorta-bi-iliac), ABF (aorto-bi-femoral), and femoral-popliteal bypass)
B variant GM2-gangliosidosis
See: Tay-Sachs disease.
B virus
An infectious agent commonly found among macaque monkeys, including rhesus macaques, pig-tailed macaques, and cynomolgus monkeys. Monkeys infected with this virus usually have no or mild symptoms. In humans, however, B virus infection can result in a fatal encephalomyelitis. B virus disease in humans is extremely rare, but often fatal -- an estimated 80% of untreated patients die of complications associated with the infection.
B(a)P
Benzo(a)pyrene.
B-type natriuretic peptide
B burgdorferi
"Short for Borrelia burgdorferi, the cause of Lyme disease. Once the full name of a bacterium has been given, it is customary to refer to it in its short form. For example, ""Borrelia burgdorferi...is responsible for Lyme disease, which can lead to debilitating symptoms in humans....Estimates from prior studies of ticks infected with B. burgdorferi in Mendocino County are higher."" See also: Borrelia."
B cepacia
See: Burkholderia cepacia.
B coli
The protozoan parasite Balantidium coli. See: Balantidium.
B quintana
Also called Rochalimaea quintana), Bartonella quintana is an unusual rickettsial organism that can multiply within the gut of the body louse and then can be transmitted to humans. Transmission to people can occur by rubbing infected louse feces into abraded (scuffed) skin or into the conjunctivae (whites of the eyes).
BID (on prescription)
"Seen on a prescription, b.i.d. means twice (two times) a day. It is an abbreviation for ""bis in die"" which in Latin means twice a day. The abbreviation b.i.d. is sometimes written without a period either in lower-case letters as ""bid"" or in capital letters as ""BID"". However it is written, it is one of a number of hallowed abbreviations of Latin terms that have been traditionally used in prescriptions to specify the frequency with which medicines should be taken."
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