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Alterations in Blood Pressure01:30

Alterations in Blood Pressure

Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart beats)...
Special considerations while measuring blood pressure01:28

Special 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.
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
Measurement of Blood Pressure01:17

Measurement 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.
Hypertension I: Introduction01:28

Hypertension I: Introduction

Hypertension is a widespread, long-term medical condition where blood pressure in the arteries remains elevated. It is characterized by systolic blood pressure readings of 130 mm Hg or above or diastolic blood pressure (DBP) readings of 80 mm Hg or higher. Unmanaged hypertension poses significant health risks, making the distinction between primary (or essential) hypertension and secondary hypertension crucial, as their management and implications vary.Primary HypertensionPrimary hypertension,...
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...

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関連する実験動画

Updated: Jul 28, 2026

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness
05:51

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness

Published on: May 3, 2018

ホワイトコートの高血圧はどのくらい一般的ですか?

T G Pickering1, G D James, C Boddie

  • 1Cardiovascular Center, New York Hospital-Cornell University Medical Center, New York, NY 10021.

JAMA
|January 8, 1988
PubMed
まとめ

境界性高血圧の患者の21%は"ホワイトコート"高血圧を示し,診療室外では正常な血圧を示しています. この現象は,若い女性においてより一般的であり,高血圧の誤った分類につながる可能性があります.

科学分野:

  • 心臓病学 心臓病学
  • 高血圧の研究 高血圧の研究
  • クリニカル・メディシン 臨床医学

背景:

  • 境界性高血圧は,かなりの患者集団に影響を及ぼします.
  • 正確な血圧モニタリングは,診断と治療に不可欠です.
  • "ホワイトコート"現象は,血圧の測定における既知の,しかしまだ完全に理解されていない要因です.

研究 の 目的:

  • 治療されていない境界性高血圧患者の間で"ホワイトコート"高血圧の患者を特定し,特徴づけること.
  • このコホートにおける"ホワイトコート"高血圧の罹患率を決定する.
  • "ホワイトコート"高血圧に関連する人口統計的および臨床的要因を探求する.

主な方法:

  • ambulatory blood pressure monitoring (ABPM) は,診療所での測定値と昼間の圧力を比較するために使用されました.
  • 292人の未治療の境界性高血圧 (90~104 mm Hg ダイアストリック) の患者集団を研究した.
  • 人口統計データと臨床データを収集し,患者の特徴を特定するために分析しました.

主要な成果:

  • 境界性高血圧の患者の21%は,昼間出動圧が正常であった.
  • "ホワイトコート"高血圧は,女性,若い患者,体重が低い患者,最近診断された患者でより一般的でした.

さらに関連する動画

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis
07:51

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis

Published on: September 26, 2018

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension
05:57

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension

Published on: May 17, 2024

関連する実験動画

Last Updated: Jul 28, 2026

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness
05:51

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness

Published on: May 3, 2018

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis
07:51

Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis

Published on: September 26, 2018

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension
05:57

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension

Published on: May 17, 2024

  • これらの患者は,増加した血圧の可動性または仕事での過剰な反応を示さなかったため,臨床環境に対する特定の反応を示唆しています.

    • 結論:

    • "ホワイトコート"高血圧は,境界性高血圧の患者の重要な要因であり,誤った分類につながる可能性があります.
    • "ホワイトコート"高血圧におけるプレッサー反応は,医師の診療所の環境に特異的に見える.
    • "ホワイトコート"高血圧の影響と管理を理解するためにさらなる研究が必要です.