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Related Concept Videos

Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

429
Dysrhythmias, also known as arrhythmias, are irregular heart rhythms that result from abnormal electrical activity in the heart, affecting its ability to circulate blood efficiently. Tachyarrhythmias, a subset of dysrhythmias, are characterized by abnormally fast heart rates exceeding 100 beats per minute. Here are some types of tachyarrhythmias with their distinct ECG features:Sinus Tachycardia:Sinus tachycardia presents a regular heart rhythm with an increased rate of 101-180 beats per...
429
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

508
Tachyarrhythmias are a type of dysrhythmia where the heart rate exceeds 100 beats per minute. Here are some common types of tachyarrhythmias:Sinus TachycardiaSinus tachycardia originates from increased impulses from the sinus node, leading to an elevated heart rate. It is often triggered by stress, fever, or exercise.Patients may experience palpitations, a sensation of a racing heart, dizziness, and chest discomfort.Causes and Risk Factors: Common causes include physical exertion, emotional...
508
Increased pulse rate01:17

Increased pulse rate

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Tachycardia is a condition marked by an abnormally fast or irregular heart rate, surpassing the typical resting rate. In adults, tachycardia is characterized by a pulse rate ranging from 100 to 180 beats per minute. The increased heart rate can result in inadequate blood flow to various body parts, ultimately diminishing the oxygen supply to organs and tissues.
Many factors can elevate the risk of developing tachycardia. These include advanced age, a family history of arrhythmias, and an...
1.1K
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

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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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Fetal Circulation01:14

Fetal Circulation

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Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
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ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

476
Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
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Related Experiment Video

Updated: Jan 19, 2026

Neonatal Subventricular Zone Electroporation
08:06

Neonatal Subventricular Zone Electroporation

Published on: February 11, 2013

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Neonatal supraventricular tachycardia.

Chandra Srinivasan1, Seshadri Balaji2

  • 1Section of Pediatric & Adult Congenital Cardiac Electrophysiology, Division of Pediatric Cardiology, Department of Pediatrics, McGovern Medical School, University of Texas Health Science Center at Houston, USA.

Indian Pacing and Electrophysiology Journal
|September 22, 2019
PubMed
Summary
This summary is machine-generated.

Supraventricular tachycardia (SVT) is a common neonatal emergency. While many infant arrhythmias resolve spontaneously, pharmacological agents are the primary treatment for neonates.

Keywords:
NeonateSupraventricular tachycardia

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Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography
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Author Spotlight: Advancing Neonatal Cardiac Diagnostics with Echocardiography-Derived Blood Speckle Imaging
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Author Spotlight: Advancing Neonatal Cardiac Diagnostics with Echocardiography-Derived Blood Speckle Imaging
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Area of Science:

  • Neonatal cardiology
  • Pediatric electrophysiology

Background:

  • Supraventricular tachycardia (SVT) is a frequent cause of emergency cardiac care in neonates.
  • Atrioventricular reentrant tachycardia (AVRT) via an accessory pathway is the predominant SVT in neonates.

Purpose of the Study:

  • To summarize the current understanding of neonatal SVT.
  • To highlight the common substrates and management strategies for SVT in neonates.

Main Methods:

  • Literature review of neonatal SVT.
  • Analysis of common arrhythmia substrates and their resolution.
  • Overview of current therapeutic approaches.

Main Results:

  • Neonatal SVT, particularly AVRT, is common.
  • Many infantile arrhythmia substrates show a high probability of spontaneous resolution.
  • Pharmacological agents are the mainstay of treatment for neonatal SVT.

Conclusions:

  • Neonatal SVT requires prompt recognition and management.
  • The potential for spontaneous resolution should be considered.
  • Pharmacotherapy is the cornerstone of acute and long-term management in this population.