在重症监护机构中测量LVOT VTI的非传统心声图谱技术
Issac Cheong1,2
1Department of Critical Care Medicine, Sanatorio de Los Arcos, Buenos Aires, Argentina.
Journal of clinical ultrasound : JCU
|April 12, 2025
概括
心声谱提供了一种非侵入性的方法来监测重症监护中的心脏输出 (CO). 在标准方法失败时,非传统的视图可以改善左心室外流通道 (LVOT) 速度-时间积分 (VTI) 测量.
科学领域:
- 关键护理医学 关键护理医学
- 心血管成像 - 心血管成像
- 血液动力学 血液动力学
背景情况:
- 对重症患者来说,心脏输出 (CO) 监测至关重要.
- 像热稀释这样的侵入性方法是标准的,但有局限性.
- 心声谱为血液动力学评估提供了一个非侵入性的替代方案.
研究的目的:
- 为了突出表达心声回声学对CO监测的有用性.
- 描述用于测量LVOT VTI的非传统心声回声技术.
- 强调这些技术在具有挑战性的临床场景中的作用.
主要方法:
- 基于心声图的测量左心室外流通道 (LVOT) 速度-时间积分 (VTI) 和LVOT面积.
- 使用标准和非常规的视图 (右肋间跨肝,修改的肋下,后部,顶部,跨脏的心脏回心).
- 从LVOT VTI和面积计算中风体积 (SV) 和CO.
主要成果:
- 声心图准确地估计了使用LVOT VTI和面积的中风体积 (SV) 和心脏输出 (CO).
- 非传统的心声回声图视图使得可靠的LVOT VTI测量,当标准视图是不可行的.
- 这些方法对躺卧的患者或具有特定解剖学挑战的患者特别有用.
结论:
- 对CO的非侵入性心声学评估是重症监护中的一个有价值的工具.
- 非传统的心声回声图视图扩大了LVOT VTI测量的适用性.
- 这些技术增强了重症患者的血液动力学监测能力.
更多相关视频
08:19Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs
Published on: July 12, 2022
2.7K
03:40Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting
Published on: January 17, 2025
225
相关概念视频
01:19Assessing Blood pressure using a doppler ultrasound
3.0K
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
3.0K
01:25Assessment of the Cardiovascular System IV: Auscultation
2.8K
Cardiac auscultation is a clinical skill used to assess heart function and detect abnormalities. It involves listening to heart sounds at specific anatomical locations through a stethoscope.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
2.8K