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Related Concept Videos

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

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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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Dysrhythmias V: Evaluating Dysrhythmias01:30

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Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
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Electrocardiogram01:29

Electrocardiogram

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An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
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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.
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Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

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Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
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Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Related Experiment Video

Updated: Nov 1, 2025

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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ST-segment elevation during arrhythmia ablations-A review.

Asim Kichloo1,2, Michael Aljadah3, Mohammed Bakir Naji4

  • 1Department of Internal Medicine Samaritan Medical Center Watertown NY USA.

Journal of Arrhythmia
|June 18, 2021
PubMed
Summary
This summary is machine-generated.

ST segment elevation (STE) during cardiac ablation is a rare but serious complication. This review examines the causes, symptoms, and treatments for STE during various arrhythmia ablation procedures.

Keywords:
ST‐segmentablationarrhythmiaselectrocardiogramelevation

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Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Complications

Background:

  • ST segment elevation (STE) is a rare but significant complication during cardiac ablation procedures.
  • Multiple reports have documented STE during various ablation procedures for arrhythmias.

Purpose of the Study:

  • To review the mechanisms, presentations, and management of STE during different arrhythmia ablation procedures.
  • To consolidate current knowledge on this feared complication.

Main Methods:

  • Literature review of reported cases and studies on STE during ablation.
  • Analysis of mechanisms, clinical presentations, and management strategies.
  • Categorization of STE events based on ablation type (atrial fibrillation, supraventricular tachycardia, ventricular arrhythmias).

Main Results:

  • STE during ablation can arise from various mechanisms.
  • Presentations of STE vary depending on the specific ablation context.
  • Effective management strategies exist for STE during ablation.

Conclusions:

  • Understanding the mechanisms and presentations of STE is crucial for timely diagnosis and management.
  • Prompt recognition and appropriate intervention can mitigate the risks associated with STE during ablation.
  • Further research may refine management protocols for this complication.