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Related Concept Videos

Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

3.4K
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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Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

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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...
613
Dysrhythmias IV: Characteristics of Bradyarrhythmias01:18

Dysrhythmias IV: Characteristics of Bradyarrhythmias

723
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...
723
Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

561
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...
561
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

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

772
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...
772
Pulse rhythm01:30

Pulse rhythm

1.6K
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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Related Experiment Video

Updated: Mar 12, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

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[Atrial fibrillation: rate or rhythm control?]

Patrick Hörmann, Armin Luik, Claus Schmitt

    Deutsche Medizinische Wochenschrift (1946)
    |November 9, 2016
    PubMed
    Summary

    The incidence of atrial fibrillation is rising due to demographic shifts. Tailored, evidence-based treatment strategies are crucial for managing this condition effectively in patients.

    Area of Science:

    • Cardiology
    • Public Health

    Background:

    • Increasing global incidence of atrial fibrillation (AF) driven by demographic changes.
    • AF management requires consideration of comorbidities, structural heart disease, and patient preferences.
    • Need for personalized treatment approaches in AF care.

    Purpose of the Study:

    • To outline key aspects for tailoring evidence-based treatment strategies for atrial fibrillation.
    • To guide clinicians in selecting optimal management plans based on individual patient profiles.

    Main Methods:

    • Review of current demographic trends impacting AF incidence.
    • Analysis of factors influencing treatment strategy selection in AF.
    • Synthesis of evidence supporting tailored AF management.

    More Related Videos

    Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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    Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

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    Transesophageal Atrial Burst Pacing for Atrial Fibrillation Induction in Rats
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    Transesophageal Atrial Burst Pacing for Atrial Fibrillation Induction in Rats

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    Related Experiment Videos

    Last Updated: Mar 12, 2026

    The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
    23:33

    The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

    Published on: February 28, 2012

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    Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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    Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

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    Transesophageal Atrial Burst Pacing for Atrial Fibrillation Induction in Rats
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    Transesophageal Atrial Burst Pacing for Atrial Fibrillation Induction in Rats

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    Main Results:

    • Demographic shifts are contributing to a higher prevalence of atrial fibrillation.
    • Comorbidities, structural heart disease, and patient choice significantly influence treatment decisions.
    • Personalized, evidence-based approaches are essential for effective AF management.

    Conclusions:

    • Effective management of atrial fibrillation necessitates individualized treatment plans.
    • Clinicians must consider a range of patient-specific factors for optimal AF care.
    • Adapting treatment strategies to patient profiles improves outcomes in atrial fibrillation.