心脏病发作的病理生理学,也被称为心肌梗塞,涉及到心肌的一部分血流的中断,导致心脏细胞死亡.
这通常是由于冠状动脉被血凝块阻塞而发生的,这通常是动脉硬化的结果,一种在动脉中积聚斑块的疾病.
斑块由胆固醇,脂肪物质,细胞废物,
当斑块破裂时,它可能会导致血栓形成,这可能会堵塞动脉,防止富含氧气的血液到达心肌.
这种氧气缺乏会导致心肌细胞死亡,导致心脏病发作.
损伤的程度取决于被堵塞的动脉供应的区域的大小和攻击和治疗之间的时间.
心脏病发作的症状可能包括胸部疼痛或不适,呼吸困难,恶心,头
心脏病发作的治疗通常包括尽快恢复心肌的血流,无论是通过药物或手术,如血管整形和支架或冠状动脉旁路手术.
值得注意的是,心脏病发作的病理生理是复杂的,涉及多种因素,包括遗传,生活方式和环境因素.
心脏病发作的危险因素包括高血压,高胆固醇,吸烟,糖尿病,肥胖,缺乏身体活动,以及家庭心脏病史.
控制这些风险因素可以帮助减少心脏病发作的可能性.
PubMed/Medline https://www.nlm.nih.gov/databases/download/pubmed_medline.html
RefinedWeb https://arxiv.org/abs/2306.01116
Scott J: Pathophysiology and biochemistry of cardiovascular disease. Curr Opin Genet Dev. 2004, 14 (3): 271-9.
Liu Chung Ming C, Sesperez K, Ben-Sefer E, Arpon D, McGrath K, McClements L, Gentile C: Considerations to Model Heart Disease in Women with Preeclampsia and Cardiovascular Disease. Cells. 2021, 10 (4): .
Hansen J, Victor RG: Direct measurement of sympathetic activity: new insights into disordered blood pressure regulation in chronic renal failure. Curr Opin Nephrol Hypertens. 1994, 3 (6): 636-43.
LaMacchia JC, Roth MB: Aquaporins-2 and -4 regulate glycogen metabolism and survival during hyposmotic-anoxic stress in Caenorhabditis elegans. Am J Physiol Cell Physiol. 2015, 309 (2): C92-6.
Tham YK, Bernardo BC, Ooi JY, Weeks KL, McMullen JR: Pathophysiology of cardiac hypertrophy and heart failure: signaling pathways and novel therapeutic targets. Arch Toxicol. 2015, 89 (9): 1401-38.
Lonn E: The clinical relevance of pharmacological blood pressure lowering mechanisms. Can J Cardiol. 2004, 20 Suppl B (): 83B-88B.
本网站仅用于教育和信息目的,不构成提供医疗建议或专业服务.
提供的信息不应用于诊断或治疗健康问题或疾病, 寻求个人医疗建议的人应咨询有执照的医生.
请注意 , 产生答案的神经网络在数字内容方面是特别不准确的 , 比如 , 诊断出特定疾病的人数 ⁇
如果您认为您可能有医疗紧急情况,请立即拨打911或前往最近的急诊室. 本网站或其使用不会产生医生和患者的关系. BioMedLib或其员工,或本网站的任何贡献者,都不会对本网站提供的信息或其使用做出任何明确或暗示的声明.
1998年的"数字千年版权法" (Digital Millennium Copyright Act) 17 U.S.C. § 512 (
如果您真诚地认为与我们的网站或服务有关的任何内容或材料侵犯了您的版权,您(或您的代理人)可以向我们发送通知,要求删除内容或材料,或阻止访问.
通知必须以书面形式通过电子邮件发送(请参阅"联系"部分以获取电子邮件地址).
DMCA 要求您的版权侵权通知包括以下信息: (1) 描述被指控侵权的受版权保护的作品; (2) 描述被指控侵权的内容和足够的信息,使我们能够找到内容; (3) 您的联系信息,包括您的地址,电话号码和电子邮件地址; (4) 声明您有诚信的信念,认为所投诉的方式的内容未经版权所有者或其代理人或任何法律的授权;
(5) 您签署的声明,以免作伪证,证明通知中的信息是准确的,并且您有权强制执行据称被侵犯的版权;
(6) 版权所有者或授权代表版权所有者行事的人员的实物或电子签名 ⁇
如果不包括上述所有信息,可能会导致投诉处理的延迟.
请向我们发送任何问题/建议的电子邮件.
The pathophysiology of a heart attack, also known as myocardial infarction, involves the disruption of blood flow to a part of the heart muscle, leading to the death of heart cells.
This typically occurs due to the obstruction of a coronary artery by a blood clot, which is often the result of atherosclerosis, a condition where plaque builds up in the arteries.
The plaque is made up of cholesterol, fatty substances, cellular waste products, calcium, and fibrin.
When a plaque ruptures, it can cause a blood clot to form, which can block the artery and prevent oxygen-rich blood from reaching the heart muscle.
This lack of oxygen causes the heart muscle cells to die, leading to a heart attack.
The extent of the damage depends on the size of the area supplied by the blocked artery and the time between the attack and treatment.
Symptoms of a heart attack can include chest pain or discomfort, shortness of breath, nausea, lightheadedness, and pain in the arms, neck, jaw, or back.
Treatment for a heart attack usually involves restoring blood flow to the heart muscle as quickly as possible, either through medication or procedures such as angioplasty and stenting or coronary artery bypass surgery.
It is important to note that the pathophysiology of a heart attack is complex and involves multiple factors, including genetic, lifestyle, and environmental factors.
Risk factors for heart attack include high blood pressure, high cholesterol, smoking, diabetes, obesity, lack of physical activity, and a family history of heart disease.
Managing these risk factors can help reduce the likelihood of experiencing a heart attack.
This web site is provided for educational and informational purposes only and does not constitute providing medical advice or professional services.
The information provided should not be used for diagnosing or treating a health problem or disease, and those seeking personal medical advice should consult with a licensed physician.
Please note the neural net that generates answers to the questions, is specially inaccurate when it comes to numeric content. For example, the number of people diagnosed with a specific disease.
Always seek the advice of your doctor or other qualified health provider regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website. If you think you may have a medical emergency, call 911 or go to the nearest emergency room immediately. No physician-patient relationship is created by this web site or its use. Neither BioMedLib nor its employees, nor any contributor to this web site, makes any representations, express or implied, with respect to the information provided herein or to its use.
The Digital Millennium Copyright Act of 1998, 17 U.S.C. § 512 (the “DMCA”) provides recourse for copyright owners who believe that material appearing on the Internet infringes their rights under U.S. copyright law. If you believe in good faith that any content or material made available in connection with our website or services infringes your copyright, you (or your agent) may send us a notice requesting that the content or material be removed, or access to it blocked. Notices must be sent in writing by email (see 'Contact' section for email address) . The DMCA requires that your notice of alleged copyright infringement include the following information: (1) description of the copyrighted work that is the subject of claimed infringement; (2) description of the alleged infringing content and information sufficient to permit us to locate the content; (3) contact information for you, including your address, telephone number and email address; (4) a statement by you that you have a good faith belief that the content in the manner complained of is not authorized by the copyright owner, or its agent, or by the operation of any law; (5) a statement by you, signed under penalty of perjury, that the information in the notification is accurate and that you have the authority to enforce the copyrights that are claimed to be infringed; and (6) a physical or electronic signature of the copyright owner or a person authorized to act on the copyright owner’s behalf. Failure to include all of the above information may result in the delay of the processing of your complaint.
BioMedLib使用自动化计算机(机器学习算法)来生成问答对.
我们从PubMed/Medline的 3500 万份生物医学出版物开始 , 还有 RefinedWeb的网页 ⁇
参见"参考资料"以及"免责声明".