inotropic

简明释义

英[ˌɪnəˈtrɒpɪk]美[ˌiːnəˈtrɑːpɪk]

adj. 变力的，影响肌肉收缩的

英英释义

单词用法

同义词

反义词

例句

1.The term inotropic is commonly used in discussing changes in myocardial contractility.

变力性一词通常用来描述心肌收缩性的变化。

2.Both negative inotropic agent and rise of preload caused the increase of EDSL.

而负性变力作用剂与急性前负荷增加均使ED _ (SL)上升。

3.These results suggested that Sanhuang mixture had the potential to dilate coronary artery with positive inotropic effect on myocardium.

结果提示三黄合剂具有扩张冠状动脉及正性肌力作用。

4.Objective: To study the positive inotropic and antiarrhythmic effects of TPA.

目的：观察tpa的强心作用及抗心律失常作用。

5.Experiments on the isolated atrium and perfused heart of rats showed that pyquiton (Praziquantel) had positive inotropic effect which can be antagonized by Propranolol and Verapamil.

吡喹酮能增强大白鼠离体心房和灌流心脏的心肌收缩力，与异搏定和心得安有一定程度的拮抗作用。

6.More volume loading (P<0.01) and positive inotropic support (P<0.01) were needed to maintain blood pressure in IWMI patients with RVMI.

IWMI合并RVMI患者需要更多的容量负荷（P<0.01）和应用正性肌力药物维持血压（P<0.01）。

7.The doctor prescribed an inotropic medication to help improve the heart's pumping ability.

医生开了一种正性肌力药物来帮助改善心脏的泵血能力。

8.Certain inotropic drugs can increase the risk of arrhythmias.

某些正性肌力药物可能增加心律失常的风险。

9.In cases of heart failure, inotropic agents can be crucial for stabilizing the patient.

在心力衰竭的情况下，正性肌力药物对于稳定病人至关重要。

10.The nurse monitored the patient's response to the inotropic treatment closely.

护士密切监测病人对正性肌力治疗的反应。

11.During surgery, the anesthesiologist administered inotropic support to maintain blood pressure.

在手术期间，麻醉师给予了正性肌力支持以维持血压。

作文

The human heart is a complex organ that plays a vital role in maintaining the circulatory system. One of the key aspects of heart function is its ability to contract and pump blood effectively. This ability can be influenced by various factors, including medications that have specific effects on the heart's performance. Among these medications, those classified as inotropic agents are particularly important. Inotropic drugs are known to affect the strength of heart contractions, which can be crucial in treating conditions such as heart failure or cardiogenic shock.To understand the significance of inotropic agents, it is essential to first grasp how the heart functions. The heart's contractions are regulated by electrical impulses that trigger muscle fibers to shorten and generate force. When the heart muscle contracts more forcefully, it can pump more blood with each beat. This is where inotropic agents come into play. They enhance the contractility of the heart, allowing it to work more efficiently under stress.There are two main types of inotropic agents: positive and negative. Positive inotropic agents increase the strength of heart contractions, while negative inotropic agents decrease it. For instance, drugs like digoxin are considered positive inotropic agents, as they boost the heart's contractility. On the other hand, beta-blockers can have a negative inotropic effect, reducing the heart's workload and oxygen demand.The clinical application of inotropic agents is particularly evident in critical care settings. Patients suffering from severe heart failure may require the administration of positive inotropic drugs to stabilize their condition. These medications can help improve cardiac output, leading to better organ perfusion and overall patient outcomes. However, the use of inotropic agents must be carefully monitored, as they can also lead to adverse effects, including arrhythmias or increased myocardial oxygen demand.Moreover, the choice of inotropic therapy often depends on the underlying cause of heart dysfunction. In cases where the heart is unable to pump effectively due to weakened muscle tissue, a positive inotropic agent may provide the necessary support. Conversely, in situations where the heart is overworked, a negative inotropic agent might be more appropriate to prevent further damage.In summary, inotropic agents play a crucial role in managing heart function, particularly in patients facing severe cardiovascular challenges. Their ability to modify the strength of heart contractions allows healthcare providers to tailor treatments based on individual needs. As research continues to evolve, the understanding and application of inotropic therapies will undoubtedly advance, leading to improved outcomes for patients with heart-related conditions. By recognizing the importance of inotropic agents, we can appreciate the intricate balance required to maintain cardiac health and the innovative approaches taken in modern medicine to address heart disease.

人类的心脏是一个复杂的器官，在维持循环系统中发挥着至关重要的作用。心脏功能的一个关键方面是其有效收缩和泵血的能力。这种能力受到多种因素的影响，包括对心脏性能有特定影响的药物。在这些药物中，被分类为正性肌力药物的药物尤其重要。正性肌力药物被称为影响心脏收缩强度的药物，这在治疗心力衰竭或心源性休克等疾病时可能至关重要。要理解正性肌力药物的重要性，首先需要掌握心脏的功能。心脏的收缩由电信号调节，这些信号触发肌肉纤维缩短并产生力量。当心脏肌肉更有力地收缩时，它可以在每次跳动中泵出更多的血液。这就是正性肌力药物发挥作用的地方。它们增强心脏的收缩能力，使其在压力下更高效地工作。正性肌力药物主要分为两类：正性和负性。正性肌力药物增加心脏收缩的强度，而负性肌力药物则减少心脏收缩的强度。例如，地高辛被认为是正性肌力药物，因为它增强了心脏的收缩能力。另一方面，β-阻滞剂可能具有负性肌力药物的效果，降低心脏的负担和氧气需求。在重症监护环境中，正性肌力药物的临床应用尤为明显。患有严重心力衰竭的患者可能需要使用正性肌力药物来稳定他们的病情。这些药物可以帮助改善心输出量，从而导致更好的器官灌注和整体患者预后。然而，使用正性肌力药物必须仔细监测，因为它们也可能导致不良反应，包括心律失常或增加心肌氧需求。此外，正性肌力药物治疗的选择通常取决于心脏功能障碍的根本原因。在心脏因肌肉组织虚弱而无法有效泵血的情况下，正性肌力药物可能提供必要的支持。相反，在心脏过度工作的情况下，负性肌力药物可能更合适，以防止进一步损害。总之，正性肌力药物在管理心脏功能方面发挥着至关重要的作用，特别是在面临严重心血管挑战的患者中。它们改变心脏收缩强度的能力使医疗提供者能够根据个体需求量身定制治疗。随着研究的不断发展，对正性肌力药物疗法的理解和应用无疑会进步，从而改善心脏相关疾病患者的预后。通过认识到正性肌力药物的重要性，我们可以欣赏到维持心脏健康所需的微妙平衡，以及现代医学在应对心脏疾病方面采取的创新方法。