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Updated: Aug 19, 2026
11:40
Quantitative Autonomic Testing
Published on: July 19, 2011
4度目の血圧波は4度目の血圧波である
1Department of Anesthesiology, Rush-Presbyterian-St Luke's Medical Center, Chicago, Ill. 60612.
JAMA
|February 9, 1990
まとめ
重症患者は,18時間以上続く長時間,異常な血圧の波を経験することがあります. これらの血液動力学的な振動は,複数の生命徴候に影響を及ぼし,外部要因によって引き起こされませんでした.
科学分野:
- クリティカルケア医療は,重症療養医療です.
- 心血管の生理学 心血管の生理学
背景:
- 血液動力学的モニタリングは,重症患者にとって極めて重要です.
- 生理学的振動を理解することは,患者の管理に役立ちます.
研究 の 目的:
- 重症患者の血圧の長時間,自発的な振動のユニークな症例を報告するためです.
主な方法:
- 血圧,心拍数,中央静脈圧,肺動脈圧,混合静脈酸素飽和度などの血液動力学的パラメータの継続的なモニタリング.
- 長い期間 (18時間以上) にわたる生理学的データの観察.
主要な成果:
- 80歳の男性患者は,約30分間の間隔で血圧の波を示した.
- これらの振動は18時間以上持続し,心拍数,中央静脈圧,肺動脈圧,混合静脈酸素飽和度の変動と同期した.
- これらの長期の振動の原因として,外部要因は特定されなかった.
結論:
- このケースは,重症病棟での長期の血動力学的な振動の前例のない発生を強調しています.
- これらの波の自発的で持続的な性質は,それらの基礎的なメカニズムと臨床的意義についてのさらなる調査を正当化します.
さらに関連する動画
関連する概念動画
01:12Korotkoff Sounds
Korotkoff sounds are the specific sounds heard while measuring blood pressure using a sphygmomanometer, typically with a stethoscope or a Doppler device. They are named after Russian physician Nikolai Korotkov, who first described them in 1905. These sounds correspond to turbulent blood flow in the artery as the blood pressure cuff is gradually released after inflation.
During blood pressure assessment, inflating the cuff 30 millimeters of mercury above the patient's systolic blood pressure...
During blood pressure assessment, inflating the cuff 30 millimeters of mercury above the patient's systolic blood pressure...
01:23Assessment of blood pressure in brachial artery(two-step method)
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
01:19Assessing Blood pressure using a doppler ultrasound
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:
01:28Special considerations while measuring blood pressure
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
01:24Blood Pressure
The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
01:17Measurement of Blood Pressure
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a stethoscope.