Automatic tachycardia: Difference between revisions
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[[File:Double_tachycardia_with_captures.png|thumb|Double_tachycardia_with_captures.png]] '''Automatic tachycardia''' is a type of [[tachycardia]] characterized by an abnormally fast heart rate originating from the heart's own [[automaticity]]. This condition is distinct from other forms of tachycardia, such as [[reentrant tachycardia]], where the rapid heart rate is due to a reentry circuit within the heart. | {{SI}} | ||
{{Infobox medical condition | |||
| name = Automatic tachycardia | |||
| image = [[File:Double_tachycardia_with_captures.png|250px]] | |||
| caption = Double tachycardia with captures | |||
| field = [[Cardiology]] | |||
| symptoms = [[Palpitations]], [[dizziness]], [[syncope]] | |||
| complications = [[Heart failure]], [[stroke]] | |||
| onset = Variable | |||
| duration = Episodic | |||
| causes = [[Re-entry circuit]], [[enhanced automaticity]] | |||
| risks = [[Coronary artery disease]], [[myocardial infarction]], [[congenital heart defect]] | |||
| diagnosis = [[Electrocardiogram]], [[Holter monitor]] | |||
| differential = [[Sinus tachycardia]], [[atrial fibrillation]], [[ventricular tachycardia]] | |||
| prevention = [[Lifestyle modification]], [[medication]] | |||
| treatment = [[Antiarrhythmic drugs]], [[catheter ablation]], [[implantable cardioverter-defibrillator]] | |||
| prognosis = Variable, depends on underlying cause | |||
| frequency = Common | |||
}} | |||
[[File:Double_tachycardia_with_captures.png|left|thumb|Double_tachycardia_with_captures.png]] '''Automatic tachycardia''' is a type of [[tachycardia]] characterized by an abnormally fast heart rate originating from the heart's own [[automaticity]]. This condition is distinct from other forms of tachycardia, such as [[reentrant tachycardia]], where the rapid heart rate is due to a reentry circuit within the heart. | |||
==Pathophysiology== | ==Pathophysiology== | ||
Automatic tachycardia occurs when the [[pacemaker cells]] in the heart's [[sinoatrial node]], [[atrioventricular node]], or other parts of the [[conduction system]] generate electrical impulses at an increased rate. This can be due to various factors, including increased [[sympathetic nervous system]] activity, decreased [[parasympathetic nervous system]] activity, or intrinsic abnormalities in the pacemaker cells. | Automatic tachycardia occurs when the [[pacemaker cells]] in the heart's [[sinoatrial node]], [[atrioventricular node]], or other parts of the [[conduction system]] generate electrical impulses at an increased rate. This can be due to various factors, including increased [[sympathetic nervous system]] activity, decreased [[parasympathetic nervous system]] activity, or intrinsic abnormalities in the pacemaker cells. | ||
==Types== | ==Types== | ||
There are several types of automatic tachycardia, including: | There are several types of automatic tachycardia, including: | ||
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* [[Junctional tachycardia]]: Tachycardia originating from the [[atrioventricular node]] or nearby tissue. | * [[Junctional tachycardia]]: Tachycardia originating from the [[atrioventricular node]] or nearby tissue. | ||
* [[Ventricular tachycardia]]: Rapid heart rate originating from the [[ventricles]]. | * [[Ventricular tachycardia]]: Rapid heart rate originating from the [[ventricles]]. | ||
==Causes== | ==Causes== | ||
Automatic tachycardia can be caused by a variety of factors, including: | Automatic tachycardia can be caused by a variety of factors, including: | ||
| Line 20: | Line 36: | ||
* [[Electrolyte imbalance]] | * [[Electrolyte imbalance]] | ||
* [[Stimulant drugs]] such as [[caffeine]] and [[amphetamines]] | * [[Stimulant drugs]] such as [[caffeine]] and [[amphetamines]] | ||
==Symptoms== | ==Symptoms== | ||
Common symptoms of automatic tachycardia include: | Common symptoms of automatic tachycardia include: | ||
| Line 28: | Line 43: | ||
* [[Chest pain]] | * [[Chest pain]] | ||
* [[Fatigue]] | * [[Fatigue]] | ||
==Diagnosis== | ==Diagnosis== | ||
Diagnosis of automatic tachycardia typically involves: | Diagnosis of automatic tachycardia typically involves: | ||
| Line 35: | Line 49: | ||
* [[Event monitor]] | * [[Event monitor]] | ||
* [[Electrophysiological study]] | * [[Electrophysiological study]] | ||
==Treatment== | ==Treatment== | ||
Treatment options for automatic tachycardia may include: | Treatment options for automatic tachycardia may include: | ||
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* [[Catheter ablation]] | * [[Catheter ablation]] | ||
* [[Lifestyle modifications]] such as reducing caffeine intake and managing stress | * [[Lifestyle modifications]] such as reducing caffeine intake and managing stress | ||
==Prognosis== | ==Prognosis== | ||
The prognosis for individuals with automatic tachycardia varies depending on the underlying cause and the effectiveness of treatment. With appropriate management, many individuals can lead normal, healthy lives. | The prognosis for individuals with automatic tachycardia varies depending on the underlying cause and the effectiveness of treatment. With appropriate management, many individuals can lead normal, healthy lives. | ||
==See also== | ==See also== | ||
* [[Arrhythmia]] | * [[Arrhythmia]] | ||
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* [[Cardiology]] | * [[Cardiology]] | ||
* [[Electrophysiology]] | * [[Electrophysiology]] | ||
==References== | ==References== | ||
{{Reflist}} | {{Reflist}} | ||
==External links== | ==External links== | ||
{{Commons category|Automatic tachycardia}} | {{Commons category|Automatic tachycardia}} | ||
[[Category:Cardiology]] | [[Category:Cardiology]] | ||
[[Category:Heart diseases]] | [[Category:Heart diseases]] | ||
[[Category:Medical conditions]] | [[Category:Medical conditions]] | ||
[[Category:Medicine]] | [[Category:Medicine]] | ||
{{medicine-stub}} | {{medicine-stub}} | ||
Latest revision as of 16:52, 4 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC
| Automatic tachycardia | |
|---|---|
| |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Palpitations, dizziness, syncope |
| Complications | Heart failure, stroke |
| Onset | Variable |
| Duration | Episodic |
| Types | N/A |
| Causes | Re-entry circuit, enhanced automaticity |
| Risks | Coronary artery disease, myocardial infarction, congenital heart defect |
| Diagnosis | Electrocardiogram, Holter monitor |
| Differential diagnosis | Sinus tachycardia, atrial fibrillation, ventricular tachycardia |
| Prevention | Lifestyle modification, medication |
| Treatment | Antiarrhythmic drugs, catheter ablation, implantable cardioverter-defibrillator |
| Medication | N/A |
| Prognosis | Variable, depends on underlying cause |
| Frequency | Common |
| Deaths | N/A |
Automatic tachycardia is a type of tachycardia characterized by an abnormally fast heart rate originating from the heart's own automaticity. This condition is distinct from other forms of tachycardia, such as reentrant tachycardia, where the rapid heart rate is due to a reentry circuit within the heart.
Pathophysiology[edit]
Automatic tachycardia occurs when the pacemaker cells in the heart's sinoatrial node, atrioventricular node, or other parts of the conduction system generate electrical impulses at an increased rate. This can be due to various factors, including increased sympathetic nervous system activity, decreased parasympathetic nervous system activity, or intrinsic abnormalities in the pacemaker cells.
Types[edit]
There are several types of automatic tachycardia, including:
- Sinus tachycardia: An increased heart rate originating from the sinoatrial node.
- Atrial tachycardia: Rapid heart rate originating from an ectopic focus in the atria.
- Junctional tachycardia: Tachycardia originating from the atrioventricular node or nearby tissue.
- Ventricular tachycardia: Rapid heart rate originating from the ventricles.
Causes[edit]
Automatic tachycardia can be caused by a variety of factors, including:
- Fever
- Anemia
- Hyperthyroidism
- Heart failure
- Myocardial infarction
- Electrolyte imbalance
- Stimulant drugs such as caffeine and amphetamines
Symptoms[edit]
Common symptoms of automatic tachycardia include:
Diagnosis[edit]
Diagnosis of automatic tachycardia typically involves:
Treatment[edit]
Treatment options for automatic tachycardia may include:
- Beta blockers
- Calcium channel blockers
- Antiarrhythmic drugs
- Catheter ablation
- Lifestyle modifications such as reducing caffeine intake and managing stress
Prognosis[edit]
The prognosis for individuals with automatic tachycardia varies depending on the underlying cause and the effectiveness of treatment. With appropriate management, many individuals can lead normal, healthy lives.
See also[edit]
References[edit]
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External links[edit]
Wikimedia Commons has media related to
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