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Related Concept Videos

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...
Assessing Blood pressure using a doppler ultrasound01:19

Assessing 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:
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
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.

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Related Experiment Video

Updated: Jul 15, 2026

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
07:30

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions

Published on: April 23, 2021

Muscle Ultrasound Parameters and Cognitive Function in H‑type Hypertension: A Cross-Sectional Study.

Xiao-Fen Weng1, Song-Tao Li2, Yan Cui1

  • 1Department of Geriatric Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, Jiangsu, People's Republic of China.

Clinical Interventions in Aging
|July 14, 2026
PubMed
Summary

Muscle thickness in the rectus femoris is linked to cognitive function in H-type hypertension patients. Lower rectus femoris muscle thickness may indicate cognitive impairment, suggesting its use as an ultrasound marker.

Keywords:
H-type hypertensionMoCAcognitive functionmuscle ultrasoundrectus femoris

Related Experiment Videos

Last Updated: Jul 15, 2026

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
07:30

Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions

Published on: April 23, 2021

Area of Science:

  • Neurology
  • Musculoskeletal Ultrasound
  • Hypertension Research

Background:

  • H-type hypertension increases cognitive impairment risk.
  • The link between muscle ultrasound and cognition in this group is unclear.

Purpose of the Study:

  • Investigate muscle ultrasound parameters and cognitive function in H-type hypertension.
  • Identify ultrasound markers associated with cognitive status.

Main Methods:

  • 125 H-type hypertension patients assessed using MoCA for cognitive function.
  • Muscle thickness, MCSA, SWV, and PA measured via ultrasound.
  • Statistical analyses included partial correlation and regression.

Main Results:

  • Cognitive impairment group showed lower muscle thickness and MCSA at multiple sites.
  • Rectus femoris muscle thickness strongly correlated with MoCA scores.
  • Reduced rectus femoris muscle thickness independently predicted poorer cognition.

Conclusions:

  • Rectus femoris muscle thickness is independently associated with cognitive function in H-type hypertension.
  • Rectus femoris muscle thickness may serve as an ultrasound marker for cognitive status.