Bradycardia

Bradycardia
ICD-10	R00.1
ICD-9	427.81, 659.7, 785.9, 779.81

Bradycardia Microchapters
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Overview
Historical Perspective
Classification
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Causes
Differentiating Bradycardia from other Conditions
Epidemiology and Demographics
Risk Factors
Screening
Natural History, Complications and Prognosis
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History and Symptoms
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: M.Umer Tariq [2]

Treatment

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

Advanced heart block such as complete heart block is an indication for a temporary pacemaker insertion.

Chronic Management

There are two main reasons for treating brandycardia:

1. With bradycardia, the first is to address the associated symptoms, such as fatigue, limitations on how much an individual can physically exert, fainting (syncope), dizziness or lightheadedness, or other vague and non-specific symptoms.
2. 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

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