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{{Junctional bradycardia}}
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==Overivew==
'''For patient information, click [[Junctional bradycardia (patient information)|here]]'''


==Pathophysiology==
{{CMG}}; {{AE}} {{M.P}}
Normally, the [[atrioventricular node]] ([[AVN]]) can generate an escape rhythm of 40-60 beats per minute in case the [[sinoatrial node]] ([[SA node]]) or atrial pacemakers fail ([[sinus arrest]]) or slow ([[sinus bradycardia]]) or if there is [[complete heart block]]. This junctional escape rhythm generates a normal, narrow [[QRS complex]] rhythm at a rte below 60 beats per minute ([[junctional bradycardia]]) as the electrical impulses once they are generated are conducted with normal velocity down the usual pathways.  [[Retrograde P waves]] (i.e. upside down) [[P waves]] due to retrograde or backward conduction may or may not be present.


==Causes==
{{SK}} Junctional escape; junctional escape rhythm


==References==
==[[Junctional bradycardia overview|Overview]]==
{{Reflist|2}}


==[[Junctional bradycardia historical perspective|Historical Perspective]]==
==[[Junctional bradycardia classification|Classification]]==
==[[Junctional bradycardia pathophysiology|Pathophysiology]]==
==[[Junctional bradycardia causes|Causes]]==
==[[Junctional bradycardia differential diagnosis|Differentiating Junctional bradycardia from other Disorders]]==
==[[Junctional bradycardia epidemiology and demographics|Epidemiology and Demographics]]==
==[[Junctional bradycardia risk factors|Risk Factors]]==
==[[Junctional bradycardia natural history, complications and prognosis|Natural History, Complications and Prognosis]]==
==Diagnosis==
[[Junctional bradycardia history and symptoms|History and Symptoms]] | [[Junctional bradycardia_physical_examination|Physical Examination]] | [[Junctional bradycardia laboratory findings|Laboratory Findings]] | [[Junctional bradycardia electrocardiogram|Electrocardiogram]] | [[Junctional bradycardia EKG examples|EKG Examples]] | [[Junctional bradycardia chest x-ray|Chest X Ray]] | [[Junctional bradycardia echocardiography|Echocardiography]] | [[Junctional bradycardia cardiac MRI|Cardiac MRI]] | [[Junctional bradycardia coronary angiography|Coronary Angiography]]
==Treatment==
[[Junctional bradycardia medical therapy|Medical Therapy]] | [[Junctional bradycardia electrical cardioversion|Electrical Cardioversion]] | [[Junctional bradycardia ablation|Ablation]] | [[Junctional bradycardia surgery|Surgery]] | [[Junctional bradycardia primary prevention|Primary Prevention]] | [[Junctional bradycardia secondary prevention|Secondary Prevention]] | [[Junctional bradycardia cost effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Junctional bradycardia future or investigational therapies|Future or Investigational Therapies]]
==Case Studies==
[[Junctional bradycardia case study one|Case #1]]
==Related Chapters==
* [[Junctional rhythm]]
* [[Junctional tachycardia]]
[[Category:Disease]]
[[Category:Electrophysiology]]
[[Category:Cardiology]]
[[Category:Cardiology]]
[[Category:Electrophysiology]]
[[Category:Arrhythmia]]
[[Category:Emergency medicine]]
[[Category:Intensive care medicine]]
[[Category:Best pages]]
[[Category:Up-To-Date cardiology]]
[[Category:Up-To-Date]]
 
 
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Latest revision as of 22:21, 11 September 2013

Junctional bradycardia Microchapters

Home

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Junctional bradycardia from other Disorders

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

EKG Examples

Chest X Ray

Echocardiography

Cardiac MRI

Coronary Angiography

Treatment

Medical Therapy

Electrical Cardioversion

Ablation

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Junctional bradycardia On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Images

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Junctional bradycardia

CDC onJunctional bradycardia

Junctional bradycardia in the news

Blogs on Junctional bradycardia

to Hospitals Treating Junctional bradycardia

Risk calculators and risk factors for Junctional bradycardia

For patient information, click here

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mugilan Poongkunran M.B.B.S [2]

Synonyms and keywords: Junctional escape; junctional escape rhythm

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Junctional bradycardia from other Disorders

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings | Electrocardiogram | EKG Examples | Chest X Ray | Echocardiography | Cardiac MRI | Coronary Angiography

Treatment

Medical Therapy | Electrical Cardioversion | Ablation | Surgery | Primary Prevention | Secondary Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1

Related Chapters


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