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相关概念视频

Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

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Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
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Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
20
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

9
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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Electrocardiogram01:29

Electrocardiogram

2.4K
An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
2.4K
Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

627
Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
627
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

12
Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
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相关实验视频

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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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ST段的升高:一个意想不到的罪祸首

David Sá Couto1,2, André Alexandre1,2, Ricardo Costa1

  • 1Cardiology Department, Centro Hospitalar Universitário de Santo António, Largo do Prof. Abel Salazar, 4099-001 Porto, Portugal.

Journal of cardiovascular development and disease
|September 27, 2023
PubMed
概括
此摘要是机器生成的。

本案例报告强调了急性肺栓塞如何模仿ST段升高心肌梗塞. 及时诊断和治疗吸收血栓切除术和导管导向血栓溶解解决了阻塞性休克.

关键词:
在ST-细分市场.急性肺栓塞急性肺栓塞是什么吸收血栓切除术 吸收血栓切除术导管导向的治疗治疗是导管导向的治疗.干预心脏病学干预心脏病学血栓溶解是一种血栓溶解.

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Confirmation of Myocardial Ischemia and Reperfusion Injury in Mice Using Surface Pad Electrocardiography
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Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction
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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction
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科学领域:

  • 心脏病学 心脏病学
  • 肺部病理学 肺部病理学
  • 紧急医疗 紧急医疗

背景情况:

  • 肺栓塞 (PE) 和急性冠状动脉综合征 (ACS) 的临床表现可能会重叠,导致诊断挑战.
  • ST段升高心肌梗塞 (STEMI) 是对心电图上ST段升高的常见诊断,但其他条件可以模仿它.
  • 右心室功能障碍是急性PE中血液动力学妥协的关键指标.

研究的目的:

  • 报告一个急性PE在心脏骤停后模仿STEMI的病例.
  • 强调心声回声学在区分PE与STEMI中的实用性.
  • 为了说明吸收血栓切除和导管导向血栓溶解 (CDT) 在管理高风险PE的有效性.

主要方法:

  • 一名78岁的男性出现呼吸不良,胸痛和心动减速,随后心脏骤停和ROSC.
  • 脑电图显示ST段的升高,而心声扫描显示了右心室扩张和功能障碍.
  • 肺血管造影证实了巨大的双边PE,用吸血栓切除术和CDT治疗.

主要成果:

  • 心脏导管排除了显著的冠状动脉疾病.
  • 吸血栓切除术和CDT成功降低了肺动脉平均压力,并使血压正常化.
  • 术后回声心脏图显示,双心室功能得到保存,血管压缩剂被撤回.

结论:

  • 床边回声心电图对于怀疑急性PE在ROSC后的ST段升高患者中至关重要.
  • 在没有冠状动脉病变的情况下,建议在怀疑PE时立即进行肺血管造影.
  • CDT和吸血血栓切除术对于高风险的PE是安全有效的,可缓解休克并恢复血液动力学.