afterdepolarization

См. также в других словарях:

• Afterdepolarization — Afterdepolarizations are abnormal depolarizations of cardiac myocytes that interrupt phase 2, phase 3, or phase 4 of the cardiac action potential in the electrical conduction system of the heart. Afterdepolarizations may lead to cardiac… …   Wikipedia

• afterdepolarization — af·ter·de·po·lar·iza·tion (af″tər de po″lər ĭ zaґshən) a depolarizing afterpotential, sometimes occurring in tissues not normally excitable. It is frequently one of a series, failing to reach threshold and self… …   Medical dictionary

• delayed afterdepolarization — (DAD) an afterdepolarization occurring after full repolarization, and generally during a period of hyperpolarization, of the cells initially depolarized in the main (spike) potential …   Medical dictionary

• early afterdepolarization — (EAD) an afterdepolarization occurring before full repolarization of the cells initially depolarized in the main (spike) potential, thus arising from a low membrane potential …   Medical dictionary

• late afterdepolarization — delayed a …   Medical dictionary

• DAD — delayed afterdepolarization; diffuse alveolar damage; Disability Assessment in Dementia; discharge abstract databank; dispense as directed * * * delayed afterdepolarization …   Medical dictionary

• EAD — early afterdepolarization; Enterprise Access Directory; extracranial arterial disease * * * early afterdepolarization …   Medical dictionary

• mEAD — monophasic action potential early afterdepolarization …   Medical dictionary

• triggered automaticity — pacemaker activity occurring as a result of a propagated or stimulated action potential, such as an afterdepolarization, in cells or tissues not normally displaying a spontaneous automaticity …   Medical dictionary

• DAD — • delayed afterdepolarization; • diffuse alveolar damage; • Disability Assessment in Dementia; • discharge abstract databank; • dispense as directed …   Dictionary of medical acronyms & abbreviations

• EAD — • early afterdepolarization; • Enterprise Access Directory; • extracranial arterial disease …   Dictionary of medical acronyms & abbreviations