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__NOTOC__
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{| class="infobox" style="float:right;"
|-
|[[File:Siren.gif|30px|link= Bradycardia resident survival guide]]||<br>||<br>
|[[Bradycardia resident survival guide|'''Resident'''<br>'''Survival'''<br>'''Guide''']]
|}
{| class="infobox" style="float:right;"
{{Infobox_Disease |
{{Infobox_Disease |
   Name        = Bradycardia |
   Name        = Bradycardia |
   Image      = Lead II rhythm generated sinus bradycardia.JPG|
   Image      = Lead II rhythm generated sinus bradycardia.JPG|
  ICD10      = {{ICD10|R|00|1|r|00}} |
  ICD9        = {{ICD9|427.81}}, {{ICD9|659.7}}, {{ICD9|785.9}}, {{ICD9|779.81}} |
}}
}}
{{Bradycardia}}
{{Bradycardia}}
{{CMG}}; {{AE}} {{MUT}} {{Ibtisam}}


{{CMG}}; '''Associate Editor-In-Chief:''' {{MUT}}
{{SK}} Abnormally slow heartbeat, slow heartbeat
==[[Bradycardia overview|Overview]]==


==Overview==
==[[Bradycardia historical perspective|Historical Perspective]]==


== Causes ==
==[[Bradycardia classification|Classification]]==


==[[Bradycardia pathophysiology|Pathophysiology]]==
==[[Bradycardia causes|Causes]]==
==[[Bradycardia differential diagnosis|Differentiating Bradycardia from other Conditions]]==
==[[Bradycardia epidemiology and demographics|Epidemiology and Demographics]]==


==[[Bradycardia risk factors|Risk Factors]]==
==[[Bradycardia screening|Screening]]==
==[[Bradycardia natural history, complications and prognosis|Natural History, Complications and Prognosis]]==
==Diagnosis==
==Diagnosis==
Evaluation of bradycardia includes assessment of the heart rhythm, symptoms, medications, and associated medical conditions (reversible and irreversible).  Symptomatic bradycardias are treated by removal of the underlying causes, medications (atropine) or insertion of a temporary or permanent pacemaker. The term ''relative bradycardia''  is used to explain a heart rate that, while not technically below 60 beats per minute, is considered too slow for the individual's current medical condition.
[[Bradycardia history and symptoms|History and Symptoms]] | [[Bradycardia physical examination|Physical Examination]] | [[Bradycardia laboratory findings|Laboratory Findings]] | [[Bradycardia electrocardiogram|Electrocardiogram]] | [[Bradycardia chest x ray|Chest X Ray]] | [[Bradycardia CT|CT]] | [[Bradycardia echocardiography or ultrasound|Echocardiography]] | [[Bradycardia other diagnostic studies|Other Diagnostic Studies]]


===Symptoms===
==Treatment==
* [[Presyncope]]
[[Bradycardia medical therapy|Medical Therapy]] | [[Bradycardia surgery|Surgery]] | [[Bradycardia primary prevention|Primary Prevention]] | [[Bradycardia secondary prevention|Secondary Prevention]] | [[Bradycardia cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Bradycardia future or investigational therapies|Future or Investigational Therapies]]
* [[Syncope]]
* [[Fatigue]]
* [[Angina]]
* Symptoms of [[congestive heart failure]]
 
===Resting EKG===
The [[heart rate]] is < 60 beats per minute.


<div align="left">
==Case Studies==
<gallery heights="175" widths="275">
Image:Lead II rhythm generated sinus bradycardia.JPG
</gallery>
</div>


===24 Hour Ambulatory Electrocardiogram Monitoring===
:[[Bradycardia case study one|Case #1]]
The diagnosis is usually made with the help of a [[24-hour ambulatory electrocardiogram]] (ECG) or telemetry.


==Treatment==
==Related Chapter==
===Urgent Treatment===
* Check drug list and remove drugs predisposing to bradycardia like [[beta blockers]], [[calcium channel blocker]], anti-arrhythmic drug.
* Drug treatment for bradycardia is typically not indicated for patients who are asymptomatic.
* In symptomatic patients, underlying electrolyte or [[acid-base disorders]] or [[hypoxia]] should be corrected first.
* IV [[atropine]] may provide temporary improvement in symptomatic patients, although its use should be balanced by an appreciation of the increase in myocardial oxygen demand this agent causes. [[Atropine]]  0.5-1 mg IV or ET q3-5min up to 3 mg total (0.04 mg/kg)


====Indications For a Temporary Pacemaker====
*[[AV Block]]
Advanced [[heart block]] such as [[complete heart block]] is an indication for a temporary [[pacemaker]] insertion.


===Chronic Management===
{{WikiDoc Help Menu}}
There are two main reasons for treating brandycardia:
{{WikiDoc Sources}}
#With bradycardia, the first is to address the associated symptoms, such as [[Fatigue (physical)|fatigue]], limitations on how much an individual can physically exert, [[fainting]] (syncope), [[dizziness]] or [[lightheadedness]], or other vague and non-specific symptoms.
[[CME Category::Cardiology]]
#The other reason to treat bradycardia is if the person's ultimate outcome (prognosis) will be changed or impacted by the bradycardia.
Treatment in this vein depends on whether any symptoms are present, and what the underlying cause is.
Primary or [[idiopathic]] bradycardia is treated symptomatically if it is significant, and the underlying cause is treated if the bradycardia is secondary.
 
==See also==
* [[AV Block]]
 
==References==
{{reflist}}
[[de:Bradykardie]]
[[es:Bradicardia]]
[[fr:Bradycardie]]
[[it:Bradicardia]]
[[nl:Bradycardie]]
[[nn:Bradykardi]]
[[pl:Bradykardia]]
[[pt:Bradicardia]]
[[ru:Брадикардия]]
[[sk:Bradykardia]]
[[sv:Bradykardi]]


[[Category:Cardiology]]
[[Category:Cardiology]]
[[Category:Symptoms]]
[[Category:Medical signs]]
[[Category:Signs and symptoms]]
[[Category:Emergency medicine]]
[[Category:Emergency medicine]]
 
[[Category:Arrhythmia]]
{{WikiDoc Help Menu}}
[[Category:Electrophysiology]]
{{WikiDoc Sources}}

Latest revision as of 14:45, 8 September 2020
Resident
Survival
Guide
Bradycardia

Bradycardia Microchapters

Home

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

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Bradycardia

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Bradycardia

CDC on Bradycardia

Bradycardia in the news

Blogs on Bradycardia

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] Ibtisam Ashraf, M.B.B.S.[3]

Synonyms and keywords: Abnormally slow heartbeat, slow heartbeat

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 | 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


Template:WikiDoc Sources CME Category::Cardiology

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