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Related Concept Videos

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

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

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This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
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Blood Pressure01:24

Blood Pressure

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The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
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Blood Pressure01:30

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Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
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Pre-Procedural Guidelines for Assessing Blood Pressure01:10

Pre-Procedural Guidelines for Assessing Blood Pressure

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Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
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Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

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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.
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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Measurement of Blood Pressure01:17

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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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Related Experiment Video

Updated: Dec 13, 2025

Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography
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Neonatal Blood Pressure Standards: What Is "Normal"?

Beau Batton1

  • 1Department of Pediatrics, Southern Illinois University School of Medicine, PO Box 19676, Springfield, IL 62794, USA.

Clinics in Perinatology
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Summary

Blood pressure (BP) in newborns is complex. Identifying normal BP requires considering gestational age and birth weight alongside a full hemodynamic assessment, not just BP values.

Keywords:
Blood pressureCuffNeonateNomogramNormal values

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Area of Science:

  • Neonatal physiology
  • Pediatric cardiology
  • Clinical neonatology

Background:

  • Blood pressure (BP) measurement is standard in newborn infants.
  • Published nomograms show BP increases post-delivery, correlating with gestational age (GA) and birth weight.

Purpose of the Study:

  • To highlight the complexities in defining normal neonatal blood pressure.
  • To emphasize the need for a comprehensive hemodynamic assessment in infants.

Main Methods:

  • Review of existing blood pressure nomograms and neonatal physiology.
  • Analysis of factors influencing blood pressure in newborns.

Main Results:

  • Neonatal blood pressure varies significantly with gestational age and birth weight.
  • Defining "normal" BP is challenging due to complex infant physiology and wide BP ranges.

Conclusions:

  • Blood pressure values alone are insufficient for assessing an infant's hemodynamic status.
  • A complete hemodynamic assessment must integrate physical examination, perinatal history, vital signs, and laboratory values with BP readings.