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Karl Vierordt
- In 1855, Karl Vierordt discovered that with enough pressure the arterial pulse could be obliterated. Vierordt introduced the sphygmograph, based on this principle of obliteration. Vierordt used an inflatable cuff around the arm to constrict the artery. However, Vierordt’s device was huge and unwieldy (168 cm tall) and produced very uneven results.
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Pulse pressure variation (PPV) in different arteries and veins. [ edit on Wikidata] Pulse pressure is the difference between systolic and diastolic blood pressure. [1] It is measured in millimeters of mercury (mmHg). It represents the force that the heart generates each time it contracts.
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Jul 28, 2011 · Physicians of antiquity used the examination of the pulse not only for diagnosis, but also as an indicator of prognosis. This paper will review the history of the assessment of pulse from ancient times to the present.
- Nima Ghasemzadeh, A. Maziar Zafari
- 10.4061/2011/164832
- 2011
- Cardiol Res Pract. 2011; 2011: 164832.
Jul 28, 2021 · Pulse Pressure. Pulse pressure is the difference between the upper and lower numbers of your blood pressure. This number can be an indicator of health problems before you develop symptoms. Your pulse pressure can also sometimes that you’re at risk for certain diseases or conditions.
In 1855, Karl Vierordt discovered that with enough pressure the arterial pulse could be obliterated. Vierordt introduced the sphygmograph, based on this principle of obliteration. Vierordt used an inflatable cuff around the arm to constrict the artery.
Apr 1, 2024 · Pulse wave analysis (or pulse waveform analysis, PWA) is a broader term for processing and extracting features from PPG waveforms, which are known to reflect various physiologic factors, including left ventricular stroke volume, aortic compliance, vascular resistance, and wave reflection phenomena . Speaking of PWA, readers who are familiar ...
- 10.1186/s40885-024-00268-7
- 2024
- Clin Hypertens. 2024; 30: 9.
Aug 22, 2011 · The history of hypertension research begins with the development of appropriate techniques for measuring blood pressure. Reverend Stephen Hales is generally credited as being the first person to measure arterial pressure, direct intra-arterial pressure in the horse in 1733.
Aug 22, 2019 · The history of the arterial pulse entails the discovery of pulse, blood pressure... The arterial pulse has been the most basic sign of life for centuries. The radial pulse palpation has been pictured in the crest of the Royal Academy College of Physicians since 1628.
