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Related Concept Videos

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...
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An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. In such an LC circuit, if the capacitor contains a charge q before the switch is closed, then all the energy of the circuit is initially stored in the electric field of the capacitor. This energy is given by
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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...
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Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
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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.
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Oscillometry reference values for children and adolescents.

Christoph Valach1,2,3, Emiel F M Wouters1,2,3, Alina Ofenheimer1,3

  • 1Ludwig Boltzmann Institute for Lung Health, Vienna, Austria.

ERJ Open Research
|December 19, 2024
PubMed
Summary
This summary is machine-generated.

This study establishes new reference values for respiratory oscillometry in children and adolescents, finding no sex differences when accounting for height and lung size. These findings aid in assessing pediatric respiratory function.

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Area of Science:

  • Pediatric Pulmonology
  • Respiratory Physiology
  • Medical Device Validation

Background:

  • Oscillometry is valuable for assessing respiratory function during tidal breathing.
  • A scarcity of device-specific reference equations limits its application in pediatric populations.
  • This study addresses the need for normative data for the Resmon PRO FULL oscillometry device.

Purpose of the Study:

  • To develop sex-specific oscillometric reference values for children and adolescents.
  • To create prediction equations for key respiratory parameters using the Resmon PRO FULL device.
  • To provide normative data for total, inspiratory, and expiratory resistance (R) and reactance (X), and impedance (Z).

Main Methods:

  • Utilized data from 981 healthy Austrian children and adolescents (aged 6-17 years).
  • Included participants with normal weight and lung volumes (TLC).
  • Employed the LMS method with height as the sole covariate to generate sex-specific prediction equations for oscillometry parameters at 8 Hz.

Main Results:

  • Generated reference equations for oscillometry parameters in Caucasian children (6-17 years) across a height range of 101-183 cm and TLC of 1.7-8.8 L.
  • Observed that resistance (R) and impedance (Z) decrease, while reactance (X) increases with greater height.
  • Found no significant sex differences in oscillometry parameters when stratified by lung size.

Conclusions:

  • The study provides crucial reference values for pediatric oscillometry using the Resmon PRO FULL device.
  • Strict criteria for weight and lung volumes ensure the reliability of the generated reference data.
  • Corrected for height or lung size, oscillometry parameters show no sex-related differences in this pediatric cohort.