heart block
noun Date: 1903 incoordination of the heartbeat in which the atria and ventricles beat independently and which is marked by decreased cardiac output

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Heart block — Classification and external resources ICD 10 I44 I45 ICD 9 …   Wikipedia

  • heart|block — «HAHRT BLOK», noun, or heart block, an abnormal condition of the heart, caused by a blocking of the nervous tissue that conducts the contracting impulse from the auricle to the ventricle so that they act independently …   Useful english dictionary

  • heart block — heart′ block n. pat a defect in the electrical impulses of the heart resulting in any of various arrhythmias or irregularities in the heartbeat …   From formal English to slang

  • heart block — n. a disorder in which there is defective transmission of impulses regulating the heartbeat, resulting in independent contractions of the atria and ventricles …   English World dictionary

  • Heart block — A block in the conduction of the normal electrical impulses in the heart. * * * heart block n incoordination of the heartbeat in which the atria and ventricles beat independently due to defective transmission through the bundle of His and which… …   Medical dictionary

  • heart block — a condition in which conduction of the electrical impulses generated by the natural pacemaker of the heart (the sinoatrial node) is impaired. In partial or incomplete heart block conduction between atria and ventricles is delayed (first degree… …   The new mediacal dictionary

  • heart block — noun recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat • Syn: ↑Adams Stokes syndrome, ↑Stokes Adams syndrome, ↑atrioventricular block • Hypernyms: ↑cardiac arrhythmia,… …   Useful english dictionary

  • heart block — Pathol. a defect in the electrical impulses of the heart resulting in any of various arrhythmias or irregularities in the heartbeat. [1900 05] * * * ▪ pathology       lack of synchronization in the contractions of the upper and the lower chambers …   Universalium

  • heart block — noun A disease in the electrical system of the heart, opposed to coronary artery disease, which is disease of the blood vessels of the heart …   Wiktionary

  • heart block — /ˈhat blɒk/ (say haht blok) noun a cardiac arrhythmia resulting from a disturbance in the transmission of impulses from the atria to the ventricles …   Australian English dictionary

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