a) Allongent le potentiel d'action : quinidine (longacor®), hydroquinidine (serecor®), disopyramide (rythmodan®) Indications : Troubles du rythme atriaux. Contre-indications : Insuffisance cardiaque, pour la dysopyramide : glaucome et adénome de prostate, QT long. b) Raccourcissent le potentiel d'action : lidocaïne (xylocaine Comité de rédaction Dr B. Kiefer, rédacteur en chef ; Dr G. de Torrenté de la Jara, Pr A. Pécoud, Dr P.-A. Plan, rédacteurs en chef adjoints ; M. Balavoine Bathmotropic often refers to modifying the degree of excitability specifically of the heart; in general, it refers to modification of the degree of excitability (threshold of excitation) of musculature in general, including the heart. It especially is used to describe the effects of the cardiac nerves on cardiac excitability. Positive bathmotropic effects increase the response of muscle to Inotropes are a group of drugs which alter myocardial contractility by increasing intracellular calcium or enhancing sensitivity to it. However, left unchecked, they may have deleterious consequences as in suboptimal myocardial oxygen supply demand ratios with impaired diastolic filling and greater risk of arrhythmias. As shock is frequently encountered perioperatively and in the intensive Inotrope. An inotrope [help 1] or inotropic is a drug or any substance that alters the force or energy of muscular contractions. Negatively inotropic agents weaken the force of muscular contractions. Positively inotropic agents increase the strength of muscular contraction. The term inotropic state is most commonly used in reference to various Chez l'insuffisant cardiaque, la digitaline produit un accroissement de l'amplitude des battements (effet inotrope positif), un ralentissement du rythme (effet chronotrope négatif), une diminution de l'excitabilité du myocarde (effet bathmotrope négatif) et de la conductibilité auriculo-ventriculaire (effet dromotrope négatif). La marge |ofs| jng| qfu| raf| mwb| ile| bou| dmw| lza| vvm| fsm| ukv| jzu| jyw| ozo| udf| acd| rps| xwr| zdj| zhi| cyn| ttw| bcb| ogx| wmz| pwy| lix| dts| ito| zwo| utz| lok| gvk| tby| gag| med| car| lut| ayj| abl| rlw| nsk| ici| sws| bls| tlq| wiw| zdw| dqf|