Bradycardia
Definition
Underlying Cause
Anatomy
Trusted Sites
Bradycardia Underlying Cause
Common causes of bradycardia include:
Athlete:
A well conditioned athlete may have a pulse less than 60
Cardiac arrhythmia
:
Heart block
Tachy-brady syndrome
Sick sinus syndrome
Heart attack
Myocarditis
Hypothyroidism
Drug side effect
:
Calcium-channel blockers
Beta-blockers
Digoxin
(
Lanoxin
)
Amiodarone
(
Cordarone
)
Lithium
(
Eskalith
)
Vasovagal syncope
Less common causes of bradycardia include:
Malnutrition
Hypothermia
Increased intracranial pressure:
Hydrocephalus
Continue to
Bradycardia Anatomy
Related Conditions
Cardiac arrhythmias
Second degree heart block
Sick sinus syndrome
Tachycardia
Third degree heart block
Rapid Pulse Checkup
Fainting
Palpitations
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Last Updated: Jul 15, 2008
References
Authors:
Stephen J. Schueler, MD
;
John H. Beckett, MD
;
D. Scott Gettings, MD
Copyright 1989-2008
DSHI Systems, Inc.
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Bradycardia References:
Haro LH, Hess EP, Decker WW. Arrhythmias in the office. Med Clin North Am. 2006 May;90(3):417-38, vii.
Jahangir A, Shen WK. Pacing in elderly patients. Am Heart J. 2003 Nov;146(5):750-3.
