adj.影响肌肉收缩力的，变力的

The inotropic effect of digitalis increases the force of contraction in cardiac muscles.
毛地黄的正性肌力作用可增强心肌的收缩力。
Beta-adrenergic agonists exhibit positive inotropic and chronotropic effects on the heart.
β肾上腺素能激动剂对心脏具有正性肌力和频率作用。
Cardiac glycosides are known to possess strong inotropic properties which can be beneficial in treating heart failure.
心脏苷类药物因其强效的正性肌力特性，在治疗心力衰竭时有益。
Amiodarone, an antiarrhythmic drug, has mild inotropic and negative dromotropic effects on the heart.
抗心律失常药胺碘酮对心脏具有轻度的正性肌力及负性传导作用。
In patients with congestive heart failure, administering inotropic agents may improve cardiac output.
对于充血性心力衰竭患者，使用正性肌力药物可以改善心输出量。
Calcium channel blockers have the opposite effect to inotropes; they generally exert a negative inotropic action.
钙离子通道阻滞剂的作用与正性肌力药物相反，通常表现出负性肌力作用。
Dobutamine is a synthetic catecholamine with predominantly positive inotropic activity used to treat severe heart failure.
多巴酚丁胺是一种主要具有正性肌力活性的合成儿茶酚胺，用于治疗严重的心力衰竭。
Milrinone is an inodilator with both vasodilatory and positive inotropic actions, often used in decompensated heart failure.
米力农是一种兼具血管扩张和正性肌力作用的肌力调节剂，常用于失代偿性心力衰竭的治疗。
A decrease in myocardial contractility, or negative inotropy, can be a sign of myocardial ischemia.
心肌收缩力降低，即负性肌力现象，可能是心肌缺血的一个征兆。
Administration of epinephrine produces a rapid increase in heart rate (positive chronotropy) and force of contraction (positive inotropy).
肾上腺素的施用可以迅速提高心率（正性频率作用）和心肌收缩力（正性肌力作用）。