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Related Concept Videos

Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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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...
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Blood Pressure01:24

Blood Pressure

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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...
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Blood Pressure01:30

Blood Pressure

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Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
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Measurement of Blood Pressure01:17

Measurement of Blood Pressure

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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...
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Factors affecting Blood pressure01:28

Factors affecting Blood pressure

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Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
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Alterations in Blood Pressure01:30

Alterations in Blood Pressure

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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...
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Related Experiment Video

Updated: Feb 11, 2026

Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension
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Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension

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Time Course of Blood Pressure Decrease After Bariatric Surgery in Normotensive and Hypertensive Patients.

Devon N Hawkins1, Byron J Faler1, Yong U Choi1

  • 1Department of General Surgery, Dwight D Eisenhower Army Medical Center, Fort Gordon, GA, 30905, USA.

Obesity Surgery
|May 5, 2018
PubMed
Summary
This summary is machine-generated.

Bariatric surgery significantly reduces blood pressure within two weeks, even in normotensive patients. This study tracks the time course of blood pressure changes after bariatric procedures.

Keywords:
BariatricBlood pressureHypertensionMean arterial pressureNormotensiveWeight-independent

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Area of Science:

  • Cardiovascular Medicine
  • Metabolic Surgery
  • Obesity Research

Background:

  • Bariatric surgery effectively manages obesity-related comorbidities, including hypertension.
  • While medication use decreases post-surgery, the precise timeline for blood pressure reduction remains unclear.

Purpose of the Study:

  • To investigate the time course of blood pressure changes following bariatric surgery.
  • To analyze blood pressure trends in both hypertensive and normotensive patients post-surgery.

Main Methods:

  • Retrospective analysis of patient data from bariatric surgeries performed between January 2010 and December 2012.
  • Tracking changes in mean arterial pressure (MAP) and body weight at various intervals post-surgery.

Main Results:

  • Mean arterial pressure (MAP) showed a significant decrease within two weeks post-surgery.
  • Maximum blood pressure decrease occurred at two weeks, coinciding with substantial weight loss.
  • Hypertensive patients experienced a notable drop in MAP, while normotensive patients also showed significant reductions.

Conclusions:

  • Bariatric surgery leads to a rapid and significant reduction in mean arterial pressure (MAP) within two weeks.
  • Further research is needed to explore weight-independent mechanisms driving blood pressure changes after bariatric surgery.