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Related Concept Videos

Neural Regulation of Blood Pressure01:18

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The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
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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 Pressure01:30

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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.
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Blood Pressure01:24

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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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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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β1-receptors are primarily located in the heart and kidneys. In cardiac myocytes, these receptors interact with neurotransmitters released by the sympathetic nervous system during heightened activity or danger. As a result, β1-receptors get activated, initiating a series of biochemical processes. Excessive activation of beta receptors due to chronic stress can abnormally increase heart rate and contractility, resulting in high blood pressure or hypertension. To counteract this,...
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Implantation of Combined Telemetric ECG and Blood Pressure Transmitters to Determine Spontaneous Baroreflex Sensitivity in Conscious Mice
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The Baroreflex in Hypertension.

Genaro Fernandez1, Junsoo Alex Lee, Lynn C Liu

  • 1University of Rochester Cardiology Division, Strong Memorial Hospital, University of Rochester Medical Center, 601 Elmwood Ave, Box 679-C, Rochester, NY, 14642, USA.

Current Hypertension Reports
|March 11, 2015
PubMed
Summary
This summary is machine-generated.

Hypertension, a common condition, is often poorly controlled and linked to serious health issues. This review explores the sympathetic nervous system's role in hypertension and its treatments.

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Area of Science:

  • Cardiology
  • Nephrology
  • Neurology

Background:

  • Hypertension is a complex condition increasing risks for cardiovascular, cerebrovascular, and renal diseases.
  • It is frequently under-recognized and inadequately managed globally.
  • Resistant hypertension poses a significant clinical challenge.

Purpose of the Study:

  • To review the physiology and function of the sympathetic nervous system in hypertension.
  • To discuss pharmacological and interventional therapies targeting sympathetic nervous system activity in secondary hypertension.

Main Methods:

  • Literature review of the sympathetic nervous system's role in hypertension.
  • Analysis of current and emerging treatment strategies.

Main Results:

  • The sympathetic nervous system plays a crucial role in hypertension development and maintenance.
  • Targeting the sympathetic nervous system offers potential therapeutic avenues.

Conclusions:

  • Understanding sympathetic nervous system involvement is key to managing hypertension.
  • Novel treatments targeting the nervous system show promise for resistant and secondary hypertension.