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Related Concept Videos

Dysrhythmias VII: Nursing Management of Dysrhythmias01:25

Dysrhythmias VII: Nursing Management of Dysrhythmias

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Nursing management of dysrhythmias involves the following:AssessmentSubjective Assessment:The initial step involves gathering patient-reported symptoms such as dizziness, palpitations, and chest discomfort. It is crucial to collect a detailed history, including previous heart conditions, current medication use, and lifestyle factors like caffeine and alcohol consumption.Objective Assessment:This involves observing clinical signs such as jugular venous distention, cool and pale skin, and...
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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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Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

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Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
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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 Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

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

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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 IV: Characteristics of Bradyarrhythmias01:18

Dysrhythmias IV: Characteristics of Bradyarrhythmias

13
Bradyarrhythmias are cardiac rhythm disorders characterized by a slower-than-normal heart rate, typically defined as fewer than 60 beats per minute. Some of which are discussed here:Sinus BradycardiaSinus bradycardia presents a heart rate lower than 60 beats per minute, with a regular rhythm originating from the SA node. The ECG typically shows normal P waves preceding each QRS complex, a normal PR interval (0.12 to 0.20 seconds), and a normal QRS duration (0.06 to 0.10 seconds).First-Degree AV...
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Related Experiment Video

Updated: Aug 1, 2025

Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
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Arrhythmic syncope: From diagnosis to management.

Jaume Francisco Pascual1,2,3,4, Pablo Jordan Marchite1, Jesús Rodríguez Silva1

  • 1Unitat d'Arritmies Servei de Cardiologia VHIR, Hospital Universitari Vall d'Hebron, Barcelona 08035, Spain.

World Journal of Cardiology
|May 1, 2023
PubMed
Summary
This summary is machine-generated.

Syncope, or fainting, often stems from heart rhythm problems. This review guides diagnosing and managing cardiac syncope, focusing on arrhythmias to improve patient outcomes.

Keywords:
ArrhythmiaAtrioventricular conduction blockElectrophysiological studyLoop recorderMyocardiopathySyncope

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Area of Science:

  • Cardiology
  • Electrophysiology
  • Neurology

Background:

  • Syncope affects many patients and can indicate serious conditions, including sudden death.
  • Cardiac syncope, particularly arrhythmic syncope, is a significant concern.
  • Identifying high-risk patients is crucial for diagnosis, treatment, and prognosis.

Purpose of the Study:

  • To review current guidelines for managing syncope of presumed arrhythmic origin.
  • To outline a comprehensive diagnostic approach for cardiac syncope.
  • To discuss management strategies in specific patient groups.

Main Methods:

  • Review of current clinical guidelines on syncope management.
  • Analysis of diagnostic work-up strategies based on patient characteristics and risk stratification.
  • Discussion of management in contexts of structural heart disease and channelopathies.

Main Results:

  • Arrhythmias are the most frequent cause of cardiac syncope.
  • Both bradyarrhythmias and tachyarrhythmias can lead to syncope.
  • A structured approach to diagnosis and risk stratification is essential.

Conclusions:

  • Effective management of arrhythmic syncope requires accurate diagnosis and risk assessment.
  • Tailored diagnostic and therapeutic strategies are necessary for different patient profiles.
  • Understanding the underlying cardiac etiology is key to improving prognosis.