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Related Concept Videos

Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

1.8K
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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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...
621
Antihypertensive Drugs: Angiotensin II Receptor Blockers01:30

Antihypertensive Drugs: Angiotensin II Receptor Blockers

530
In the renin-angiotensin-aldosterone system, a hormone called angiotensin II plays a crucial role. It binds to the AT1 receptors in vascular smooth muscles coupled with Gq proteins. The activation of these receptors activates an enzyme called phospholipase C, which releases two molecules: inositol trisphosphate and diacylglycerol. These molecules cause a chain reaction that leads to the phosphorylation of myosin light chains and promotes interaction between actin and myosin, leading to smooth...
530
Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

690
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.
690
Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

466
The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's...
466
Assessment of blood pressure in brachial artery(two-step method)01:23

Assessment of blood pressure in brachial artery(two-step method)

617
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...
617

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Related Experiment Video

Updated: May 10, 2025

A Closed-chest Model to Induce Transverse Aortic Constriction in Mice
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A Closed-chest Model to Induce Transverse Aortic Constriction in Mice

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Hypertension in aortic coarctation.

Luisa Ye1, Biagio Castaldi1, Irene Cattapan1

  • 1Pediatric Cardiology Unit, Department of Women's and Children's Health, University Hospital of Padua, Padua, Italy.

Frontiers in Cardiovascular Medicine
|April 22, 2025
PubMed
Summary
This summary is machine-generated.

Hypertension is a common complication after aortic coarctation repair. This review covers diagnostic and therapeutic strategies for managing blood pressure in these patients.

Keywords:
aortic coarctationcongenital heart diseaseshypertensionhypertension in congenital heart diseasesstent implantationsurgical repair

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Last Updated: May 10, 2025

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Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Vascular Medicine

Background:

  • Aortic coarctation (AoC) is a prevalent congenital heart defect.
  • Hypertension persists in 20%-70% of AoC patients post-repair, increasing cardiovascular risk.
  • Factors contributing to hypertension include renin-angiotensin system activation and impaired aortic elasticity.

Purpose of the Study:

  • To review diagnostic workup for hypertension in AoC patients.
  • To discuss therapeutic strategies for managing hypertension in AoC patients, both perioperatively and long-term.

Main Methods:

  • Literature review of diagnostic and therapeutic approaches for hypertension in AoC.
  • Analysis of common antihypertensive agents used in perioperative and chronic management.

Main Results:

  • Hypertension management requires both immediate post-correction care and long-term strategies.
  • Intravenous agents (e.g., sodium nitroprusside, esmolol, labetalol) are used perioperatively.
  • Oral medications including beta-blockers, ACE inhibitors (ACE-Is), angiotensin receptor blockers (ARBs), and calcium channel blockers (CCBs) are common for chronic hypertension.

Conclusions:

  • Effective management of hypertension is crucial for reducing long-term cardiovascular morbidity in AoC patients.
  • A comprehensive approach to diagnosis and treatment is necessary for optimal patient outcomes.