Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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:
Assessment of blood pressure in brachial artery(two-step method)01:23

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

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...
Assessment of blood pressure in brachial artery(one-step method)01:15

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

This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
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.
Assessment of apical radial pulse01:25

Assessment of apical radial pulse

Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
Assessment of the Cardiovascular System IV: Auscultation01:25

Assessment of the Cardiovascular System IV: Auscultation

Cardiac auscultation is a clinical skill used to assess heart function and detect abnormalities. It involves listening to heart sounds at specific anatomical locations through a stethoscope.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Premeal insulin administration lowers postprandial blood glucose and increases myocardial microvascular blood flow in people with type 1 diabetes: a randomised, crossover clinical trial.

Diabetologia·2026
Same author

Metformin Alters Exercise Training Induced Blood Pressure and Aortic Waveform Adaptations in Adults at Risk for Metabolic Syndrome.

Journal of clinical hypertension (Greenwich, Conn.)·2026
Same author

Magnetic resonance imaging features differentiate histologic and molecular subtypes of glioblastoma IDH-Wild type CNS WHO grade 4.

Journal of neuro-oncology·2026
Same author

Metformin attenuates metabolic insulin sensitivity and insulin-stimulated carbohydrate oxidation after high-intensity exercise training in adults at risk for metabolic syndrome.

Diabetes, obesity & metabolism·2026
Same author

Evidence for Functional Ovarian Hyperandrogenism in Early Pubertal, but Not Late Pubertal, Girls With Excess Weight.

Journal of the Endocrine Society·2025
Same author

Metformin Blunts Vascular Insulin Sensitivity After Exercise Training in Adults at Risk for Metabolic Syndrome.

The Journal of clinical endocrinology and metabolism·2025

Related Experiment Video

Updated: Jun 18, 2026

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

Sleep assessment using a passive ballistocardiography-based system: preliminary validation.

David C Mack1, James T Patrie, Robin A Felder

  • 1University of Virginia, Charlottesville, VA 22908, USA. dmack@wellawaresystems.com

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|December 8, 2009
PubMed
Summary
This summary is machine-generated.

The Non-Invasive Analysis of Physiological Signals (NAPS) system, a novel sleep analysis tool, demonstrated superior accuracy in sleep studies compared to actigraphy. NAPS shows promise for improved sleep disorder diagnosis and monitoring.

More Related Videos

Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver
14:28

Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver

Published on: June 27, 2025

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

Related Experiment Videos

Last Updated: Jun 18, 2026

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver
14:28

Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver

Published on: June 27, 2025

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance
14:09

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

Area of Science:

  • Biomedical Engineering
  • Sleep Medicine
  • Physiological Monitoring

Background:

  • Polysomnography is the gold standard for quantitative sleep analysis.
  • There is a growing need for accurate, multi-night sleep monitoring solutions.
  • Poor sleep and sleep disorders have recognized adverse health effects.

Purpose of the Study:

  • To validate the Non-Invasive Analysis of Physiological Signals (NAPS) system for sleep analysis.
  • To compare the performance of the NAPS system against actigraphy.
  • To assess NAPS's accuracy in determining sleep onset compared to polysomnography.

Main Methods:

  • A clinical trial involving 20 healthy subjects.
  • Overnight sleep studies utilizing polysomnography as the gold standard.
  • Comparison of NAPS system (ballistocardiography-based) and actigraphy.

Main Results:

  • The NAPS system significantly outperformed actigraphy in sleep analysis (kappa=0.478 vs. 0.344).
  • NAPS demonstrated superior accuracy in identifying sleep onset times compared to actigraphy.
  • NAPS showed a negligible bias estimate for sleep onset (-2.5 epochs), while actigraphy had a significant bias (-33.6 epochs).

Conclusions:

  • The NAPS system is a promising tool for general sleep analysis, offering improved accuracy over actigraphy.
  • NAPS's enhanced ability to detect sleep onset suggests its utility in clinical sleep assessments.
  • Further research may establish NAPS as a viable alternative for multi-night sleep monitoring.