Bradycardia

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Bradycardia

Bradycardia Microchapters

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Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Bradycardia from other Conditions

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

Chest X Ray

CT

Echocardiography

MRI

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Bradycardia On the Web

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Most cited articles

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X-rays
Echo & Ultrasound
CT Images
MRI

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US National Guidelines Clearinghouse

NICE Guidance

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Directions to Hospitals Treating Bradycardia

Risk calculators and risk factors for Bradycardia

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

Overview

Classification

 
 
 
 
 
 
 
 
 
 
Bradyarrhythmia
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The origin of the impulse:
Atria
 
 
 
 
 
The origin of the impulse:
AV junction
 
The origin of the impulse:
Ventricles
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sinus node dysfunction:
Respiratory sinus arrhythmia
Sinus bradycardia
Sinoatrial block
Sinus arrest
Sick sinus syndrome

Normal variant:
Respiratory sinus arrhythmia
 
Abnormality in the atria:
Low atrial focus bradycardia
Atrial bigeminy
 
AV node dysfunction:
First degree AV block
Second degree AV block
Complete or third-degree AV block
 
Junctional escape rhythm
Junctional bigeminy
 
Isorhythmic A-V dissociation
Slow VT (idioventricular rhythm)
Ventricular escape rhythm
Escape capture bigeminy
 
 

Pathophysiology

Causes

Differentiating Bradycardia from other Conditions

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings | Electrocardiogram | Chest X Ray | CT | Echocardiography | Other Diagnostic Studies

Treatment

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

Case Studies

Case #1

Related Chapter


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