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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

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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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Disturbances in Heart Rhythm01:29

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Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
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ECG Interpretation of Rhythms01:24

ECG Interpretation of Rhythms

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An electrocardiogram (ECG)graphically represents the heart's electrical activity on ECG paper or a monitor.
Components of the Electrocardiogram
The primary components of a normal ECG waveform in Normal sinus rhythm(NSR) include the P wave, PR interval, QRS complex, ST segment, T wave, and occasionally a U wave.
ECG waveforms are divided by vertical and horizontal lines at standard intervals.
The horizontal axis measures time and rate, and the vertical axis measures amplitude or voltage....
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Electrophysiology of Normal Cardiac Rhythm01:19

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The normal cardiac rhythm is a synchronized electrical activity that facilitates the regular and coordinated contraction of the heart muscle. This process is essential for efficient blood circulation throughout the body. The fundamental elements involved in establishing and maintaining this rhythm include the unique electrical properties of cardiac muscle cells, the sinoatrial (SA) node's pacemaker function, the specialized conducting system, and the ionic mechanisms underlying each phase...
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Circadian Rhythms and Gene Regulation02:19

Circadian Rhythms and Gene Regulation

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The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
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Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

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Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
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Related Experiment Video

Updated: Jan 27, 2026

EEG Mu Rhythm in Typical and Atypical Development
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[Rhythms and early interactions].

Gisèle Apter1

  • 1Université Rouen Normandie, Service universitaire de psychiatrie infanto-juvénile, Groupe hospitalier du Havre, BP 24, 76083 Le Havre cedex.

Soins. Pediatrie, Puericulture
|March 27, 2019
PubMed
Summary
This summary is machine-generated.

Parent-infant interactions establish unique rhythms, with adults adjusting to ensure synchrony. These early synchronized exchanges are fundamental for building secure attachment relationships.

Keywords:
attachementattachmentinteractionparentalitéparenthoodpsychologiepsychologyrhythmrythme

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Area of Science:

  • Developmental Psychology
  • Infant Behavior
  • Parent-Child Interaction

Background:

  • Early parent-infant interactions are crucial for development.
  • Synchrony in interaction is key to relationship building.

Purpose of the Study:

  • To examine the role of interactional rhythms in early development.
  • To understand the adult's role in establishing mutual interactive rhythms.

Main Methods:

  • Observational studies of parent-infant dyads.
  • Analysis of interactional synchrony and rhythm.

Main Results:

  • Parent-infant dyads establish unique interactional tempos.
  • Adult partners primarily adjust to maintain interactive rhythm.
  • Synchronous interactions are foundational for secure attachment.

Conclusions:

  • The ability of adults to attune to infant rhythms is critical.
  • Early synchronized interactions lay the groundwork for secure attachment.