What Is Mitral Valve Disorder
Health Encyclopedia: Sick Sinus Syndrome
Sick sinus syndrome is a collection of heart rhythm disorders that include:
- Sinus bradycardia -- slow heart rates due to a slowing of your heart's own natural pacemaker
- Tachycardias -- fast heart rates
- Bradycardia-tachycardia -- alternating slow and fast heart rhythms
Alternative Names
Bradycardia-tachycardia syndrome; Sinus node dysfunction
Causes, incidence, and risk factors
Overall, sick sinus syndrome is relatively uncommon. Among ...
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Health Guide
Mitral Valve Proplase Patient Guide
The most common heart valve abnormality is called Mitral Valve Prolapse (MVP), which affects between 5 percent and 20 percent of the population. It is more commonly found in women than men and... Read more »Congestive Heart Failure Patient Guide
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CausesHeart failure has many causes and can evolve in different ways.It can be a direct, last-stage result of heart damage from one or more of several heart or circulation diseases.It can occur over... Read more »Anxiety Disorders: Diagnosis
A physical examination and medical and personal history is essential. Because anxiety accompanies so many medical conditions, some serious, it is extremely important for the doctor to... Read more »Heart Failure: Introduction
Tounderstand what occurs in heart failure, it is useful to be familiar with the how the heart works and its anatomy. The heart is composed of two independent pumping systems, one on the... Read more »Images
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