Bradyarrhythmias
Bradyarrhythmias occur if the heart rate is slower than normal. If the heart rate is too slow, not enough blood reaches the brain. This can cause you to pass out.
Bradyarrhythmias - Bradyarrhythmias are heart rhythm abnormalities that cause an abnormally slow heartbeat. Most bradyarrhythmias are due to one of two kinds of problems: sinus bradycardia or heart block.
Bradyarrhythmias
(See also bradycardia, below) These are slow heart rhythms, which may arise from disease in the heart's electrical conduction system. Examples include sinus node dysfunction and heart block.
Bradyarrhythmias and heart block
Causes of arrhythmias: Some arrhythmias (eg, PACs, PVCs, PSVT) often occur spontaneously in patients without serious underlying disorders, but others are often caused by a serious cardiac disorder.
A bradyarrhythmia is a slow heart rhythm that is usually caused by disease in the heart's conduction system. Types of bradyarrhythmias include: ...
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There may be associated hypothermia, hypotension, and resistant bradyarrhythmias with more marked acidosis.
Bradyarrhythmias section of Specific arrhythmias: diagnosis and treatment. In P Libby et al., eds., Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine, 8th ed., vol. 1, pp. 909-913. Philadelphia: Saunders Elsevier.
Arrhythmias can also be classified as slow (bradyarrhythmia) or fast (tachyarrhythmia). "Brady-" means slow, while "tachy-" means fast.
Listed below are some of the more common arrhythmias:
Atrial Arrhythmias ...
Tachycardia-bradycardia syndrome is a condition in which a person suffers from tachyarrhythmia (faster pulse) and bradyarrhythmia (slower pulse) in an alternating fashion. It is usually a complication of another, simpler arrhythmia.
Slow Heart Rate (Bradycardia or Bradyarrhythmia)
Slow Heart Rate, History and Physical Examination for
Slow Heart Rate, Medical History and Physical Examination for ...
We then performed laboratory studies and were able to show that OSA could elicit excessive sympathetic and parasympathetic activation that would lead to respective surges in blood pressure (up to 230/130 mm Hg) and bradyarrhythmias with a complete ...
Abnormal heart rhythms (arrhythmias), including abormally fast rhythms (tachyarrhythmias) and abnormally slow rhythms (bradyarrhythmias and heart block)
Blood clots from the heart to other parts of the body
Brain abscess ...
many occur in people who don’t have underlying heart disease
occurs more frequently in adults
can be classified as slow (bradyarrhythmia) or fast (tachyarrhythmia)
How Boston Children’s Hospital approaches arrhythmias ...
Arrhythmias can occur with a normal heart rate, or with heart rates that are slow (called bradyarrhythmias -- less than 50 beats per minute).
Bradycardia is an abnormally slow heart rate. In adults, it is defined as a heart rate of less than 60 beats per minute. Different types of bradycardia include (collectively referred to as 'bradyarrhythmias') : ...
In 90% of those patients studied with nocturnal bradyarrythmia (slowed heart rate), there was no sign of heart rhythm abnormalities while awake. Bradyarrhythmias occurred only during sleep and varied considerably in frequency and severity.
Sleeping with Restless Legs Syndrome: Getting more sleep
Slipped Capital Femoral Epiphysis
Slipped Disc
Slipped Neck Disc
SLO syndrome
SLOS
Slow Heart Rate (Bradycardia or Bradyarrhythmia)
Slow Heart Rate, Pacemaker for
SLS
Sly Syndrome ...
 See also: Atrial fibrillation, Stroke, Cholesterol, Symptom, Cancer
  
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