cardiotonic drug

简明释义

强心剂

英英释义

例句

1.The nurse administered a cardiotonic drug to stabilize the patient's condition.

护士给病人注射了强心药以稳定病情。

2.Monitoring the dosage of cardiotonic drugs is crucial to avoid toxicity.

监测强心药的剂量对于避免毒性反应至关重要。

3.Patients with heart failure often benefit from cardiotonic drugs.

心力衰竭的患者通常能从强心药中获益。

4.Many cardiotonic drugs increase the force of heart contractions.

许多强心药会增强心脏收缩的力量。

5.The doctor prescribed a cardiotonic drug to improve the patient's heart function.

医生开了一种强心药以改善病人的心脏功能。

作文

The human heart is a remarkable organ that plays a crucial role in our overall health. However, there are times when the heart may not function as effectively as it should. This is where medical interventions become necessary, particularly the use of medications designed to enhance heart function. One such category of medication is known as cardiotonic drug. These drugs are essential for patients suffering from various heart conditions, especially those with heart failure or diminished cardiac output.Cardiotonic drug, or in Chinese, "强心药", refers to a class of medications that increase the strength and efficiency of the heart's contractions. They work by improving the heart's ability to pump blood, which is vital for maintaining adequate circulation throughout the body. This is particularly important for individuals who have weakened hearts due to diseases such as congestive heart failure or cardiomyopathy.The mechanism of action for cardiotonic drugs varies depending on the specific medication. Some of the most commonly used cardiotonic drugs include digoxin, dobutamine, and milrinone. Digoxin, for example, increases the intracellular calcium concentration in heart muscle cells, leading to stronger contractions. On the other hand, dobutamine primarily stimulates beta-1 adrenergic receptors, resulting in increased heart rate and contractility. Each of these medications has its unique benefits and potential side effects, making it crucial for healthcare providers to tailor treatments to individual patients.Patients with heart failure often experience symptoms such as shortness of breath, fatigue, and fluid retention. The use of cardiotonic drugs can significantly improve these symptoms, leading to a better quality of life. By enhancing cardiac output, these drugs help ensure that vital organs receive the oxygen and nutrients they need to function properly. Moreover, they can reduce hospitalizations related to heart failure, which is a significant concern for both patients and healthcare systems.However, the administration of cardiotonic drugs must be carefully monitored. Overuse or incorrect dosing can lead to toxicity, which can have serious consequences. For instance, digoxin toxicity can cause arrhythmias, gastrointestinal disturbances, and even neurological symptoms. Therefore, regular monitoring of drug levels and patient symptoms is essential to ensure safety and efficacy.In addition to their immediate benefits, cardiotonic drugs also play a role in long-term management strategies for heart disease. While they do not cure underlying conditions, they can stabilize patients and allow for other therapeutic interventions, such as lifestyle changes or surgical options, to be more effective. Furthermore, ongoing research continues to explore new cardiotonic drugs and their potential applications in treating various cardiac conditions, highlighting the importance of innovation in this field.In conclusion, cardiotonic drugs are a vital component in the management of heart diseases, especially for patients with compromised heart function. Their ability to enhance cardiac output and improve patient symptoms underscores their significance in modern medicine. As we continue to learn more about the heart and its complexities, the role of cardiotonic drugs will undoubtedly evolve, providing hope for better treatments and improved outcomes for those affected by heart disease.

人类的心脏是一个了不起的器官，在我们的整体健康中发挥着至关重要的作用。然而，有时心脏可能无法像应该的那样有效地运作。这时，医疗干预就变得必要，特别是使用旨在增强心脏功能的药物。其中一个药物类别被称为cardiotonic drug。这些药物对患有各种心脏病的患者尤其重要，特别是那些心力衰竭或心输出量减少的患者。cardiotonic drug，中文为“强心药”，指的是一类能够增加心脏收缩强度和效率的药物。它们通过改善心脏泵血的能力来工作，这对于维持全身足够的循环至关重要。这对于由于充血性心力衰竭或心肌病等疾病而心脏虚弱的个体来说尤为重要。cardiotonic drugs的作用机制因具体药物而异。一些最常用的cardiotonic drugs包括地高辛、多巴酚丁胺和米力农。例如，地高辛通过增加心肌细胞内的钙浓度来增强收缩。而多巴酚丁胺主要刺激β-1肾上腺素受体，从而导致心率和收缩力的增加。这些药物各自具有独特的益处和潜在副作用，因此医疗提供者必须根据个体患者的情况量身定制治疗方案。心力衰竭患者通常会出现呼吸急促、疲劳和液体潴留等症状。使用cardiotonic drugs可以显著改善这些症状，提高生活质量。通过增强心输出量，这些药物有助于确保重要器官获得所需的氧气和营养，从而正常运作。此外，它们还可以减少与心力衰竭相关的住院次数，这对患者和医疗系统都是一个重大关切。然而，cardiotonic drugs的使用必须谨慎监控。过量或错误剂量可能导致毒性，这可能会带来严重后果。例如，地高辛中毒可能导致心律失常、胃肠道紊乱甚至神经系统症状。因此，定期监测药物水平和患者症状对于确保安全性和有效性至关重要。除了其直接益处外，cardiotonic drugs在心脏病的长期管理策略中也发挥着作用。虽然它们不能治愈潜在的疾病，但它们可以稳定患者，使其他治疗干预（如生活方式改变或手术选项）更加有效。此外，持续的研究继续探索新的cardiotonic drugs及其在治疗各种心脏疾病中的潜在应用，突显了这一领域创新的重要性。总之，cardiotonic drugs是心脏病管理中的一个重要组成部分，尤其是对于心脏功能受损的患者。它们增强心输出量和改善患者症状的能力强调了它们在现代医学中的重要性。随着我们对心脏及其复杂性了解的不断深入，cardiotonic drugs的角色无疑将会演变，为那些受到心脏疾病影响的人提供更好的治疗和改善的结果。