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Special considerations while measuring pulse

Special considerations while measuring pulse

Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:

Pulse

Pulse

When the heart pumps blood out, arterial elastic fibers play a crucial role in sustaining a high-pressure gradient. They expand to accommodate the received blood and then recoil - a process known as the pulse that can be either manually palpated or electronically quantified. Despite a reduction in its effect with increased distance from the heart, elements of the pulse's systolic and diastolic components persist, observable even at the arteriole level.
The pulse serves as a clinical...

Assessment of radial pulse

Assessment of radial pulse

Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:

Pulse amplitude and quality

Pulse amplitude and quality

Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...

Assessment of apical radial pulse

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

Pulse rhythm

Pulse rhythm

Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...

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Related Experiment Video

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Published on: September 27, 2024

Peripheral pulse harmonic analysis and its clinical application: A systematic review.

Kun-Yuan Hsiao^1,2, Jiunn-Horng Kang^3,4,5, Yeong-Shing Wu⁶

¹Institute of Allied Health Sciences, National Cheng Kung University, Tainan, Taiwan.

Journal of Traditional and Complementary Medicine

|March 14, 2024

Summary

Pulse harmonic analysis reveals distinct patterns in pulse wave data linked to various physiological states and diseases. This traditional Chinese medicine technique shows promise for objective diagnosis and organ assessment in clinical applications.

Keywords:

Diagnostic tools Harmonic characteristics Pulse diagnosis Pulse harmonic analysis Traditional Chinese medicine

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Area of Science:

Biomedical Engineering
Traditional Chinese Medicine
Physiology

Background:

Pulse harmonic analysis is a quantitative method in Traditional Chinese Medicine (TCM) for evaluating pulse characteristics.
Interpreting complex pulse wave data presents a significant challenge in its application.
Existing methods for human pulse wave harmonic analysis require comprehensive review and comparison.

Purpose of the Study:

To conduct a comprehensive review and comparison of existing human pulse wave harmonic analysis methods.
To elucidate the patterns and characteristics of pulse wave harmonic data across different conditions.
To explore the potential of harmonic analysis for TCM disease diagnosis and organ assessment.

Main Methods:

A systematic review of clinical research reports from 1990 to 2021 was performed.
Searches included terms for analysis methods (e.g., "harmonic analysis") and measured indicators (e.g., "Photoplethysmography").
Articles were filtered for human participants and relevance to pulse pressure or vascular volume changes, excluding conference papers and animal studies.

Main Results:

Low-frequency harmonics increase with sympathetic excitation and decrease with parasympathetic excitation.
Cardiovascular and diabetes patients showed distinct harmonic alterations (e.g., elevated first harmonics, weakened third harmonics).
Harmonic patterns varied across different diseases (liver dysfunction, cancer, gynecological disorders) and physiological states, with heterogeneity noted in measurement methods and populations.

Conclusions:

Pulse wave harmonic analysis reveals unique patterns associated with various physiological conditions and diseases.
Observed associations between physiological states and harmonics hold promise for clinical applications despite study limitations.
This review provides a foundation for future applications of arterial wave harmonics analysis, encouraging wider adoption.