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Related Concept Videos

Assessment of apical pulse01:17

Assessment of apical pulse

Assessing the Apical Pulse
Assessing the apical pulse is a critical nursing procedure, particularly indicated for:
Assessment of radial pulse01:11

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:
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
Special considerations while measuring pulse01:13

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Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
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Equipments Used To Measure Blood Pressure

Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
Pulse Oximetry01:24

Pulse Oximetry

Pulse oximetry, or SpO2, is a non-invasive method for continuously monitoring arterial oxygen saturation (SaO2). This procedure involves attaching a probe or sensor to the patient's fingertip, forehead, earlobe, or nose bridge. The sensor works by detecting changes in oxygen saturation levels through light signals generated by the oximeter and reflected by the pulsing blood under the probe.
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Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...

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Pulse Wave Velocity Testing in the Baltimore Longitudinal Study of Aging
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An instrument for recording the ocular pulse wave

C E Krakau1, S Lindberg, U Havelius

  • 1Department of Ophthalmology, MAS, Malmö, Sweden.

Acta Ophthalmologica Scandinavica
|October 1, 1995
PubMed
Summary

This study introduces an instrument to record ocular pressure pulses, revealing individual variations in pulse shape. The device

Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Physiology

Background:

  • Ocular pressure pulse (OPP) measurement is crucial for understanding intraocular pressure dynamics.
  • Variability in OPP waveform can indicate physiological differences or pathological conditions.

Purpose of the Study:

  • To describe a novel instrument designed for recording the ocular pressure pulse.
  • To demonstrate the instrument's capability in capturing individual differences in pulse waveform.
  • To characterize the instrument's frequency response for accurate data correction.

Main Methods:

  • Development and description of a new instrument for ocular pressure pulse recording.
  • Acquisition of OPP recordings to illustrate inter-individual waveform variations.

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  • Evaluation of the instrument's frequency response within the 0.5-10 Hz range.

    • Main Results:

    • Successful recording of ocular pressure pulses demonstrating distinct individual pulse curve shapes.
    • Characterization of the instrument's frequency response properties.

    Conclusions:

    • The developed instrument effectively records ocular pressure pulses, highlighting individual differences.
    • Instrumental properties were established to allow for correction of recorded data, enhancing accuracy.