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Highlights of the physical examination in heart failure

Journal of Geriatric Cardiology 2006年第4期3卷 237-241页

作者： Sandesh Dev Division of Cardiology Center for Heart Failure Northwestern University Feinberg School of MedicineChicagoIL 60611USA

Because decompensated heart failure(HF)patients present primarily with symptoms of congestion,the assessment of volume status is of paramount *** the addition of new technologies that can predict intracardiac filling pressures,the physical exam(PE)remains the most accessible and cost-effective tool available to *** elevated jugular venous pressure(JVP) is considered the most sensitive sign of volume overload,although the commonly used‘method of Lewis’has several limitations.A useful cutoff is that if the JVP is greater than 3 cm in vertical distance above the sternal angle,the central venous pressure is *** addition to assessment of volume status,the PE in HF can reveal adverse prognostic signs,namely:elevated JVP,presence of third heart sound,elevated heart rate,low systolic BP,and low proportional pulse pressure(＜25%).This article will review the evidence for the diagnostic and prognostic utility of common PE findings in HF.

关键词： jugular venous pressure central venous pressure heart failure physical examination hepatojugular reflex abdominal compression test Method of Lewis proportional pulse pressure

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Assessment of Non-Contact Measurement Using a Microwave Sensor to jugular venous Pulse Monitoring

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Journal of Biomedical Science and Engineering 2021年第3期14卷 94-102页

作者： Satoshi Suzuki Masaaki Hoshiga Kentaro Kotani Takafumi Asao Faculty of Engineering Science Kansai University Osaka Japan Faculty of Medicine Osaka Medical College Osaka Japan

The jugular venous pulse (JVP) waveform provides an insight into right heart function, and its assessment is important in patients with heart failure. However, the conventional pulse-transducer (contact) method for monitoring this waveform is not frequently used because it requires a high degree of skill. The aim of this study was to confirm the effectiveness of a prototype non-contact system that employs microwave radar (24 GHz, 7 mW;non-contact system) for JVP measurement. Experiments were conducted on eight healthy male volunteers (21.88 ± 0.99 years). JVP measurements were compared between the conventional contact method and the proposed non-contact method. Change in JVP waveform was measured in response to an angle of reclining in five steps from the supine position to 75° of elevation. The obtained JVP measurements were similar between the two methods. Because in the non-contact method the faint pulsation of the JVP is not suppressed by the pressure of a sensor placed on the skin, the prototype microwave radar system is particularly suitable for evaluating the JVP waveform.

关键词： Microwave Radar Non-Contact Monitoring jugular venous pressure Right Heart Function

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