Friday, October, 23, 2009

Slow Heart Rate

Health Encyclopedia: Sick Sinus Syndrome

Definition

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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Expert & Community Posts

Cholinesterase Inhibitors Shown to Have Side Effects Serious to Some Alzheimer’s Patients

By Carol Bradley Bursack , Health Expert

...Exelon and Reminyl. The drugs have been known to slow heart rates and cause fainting, but,... Read more »

Why You Need to Get Screened for PAT This February

By Dr. Larry Weinrauch , Health Expert

What we call normal rhythm is stimulated by a group of cells in the upper chamber of our heart... Read more »

Metformin and the risk of lactic acidosis

By Dr. Bill Quick , Health Expert

I received an interesting question by e-mail recently, which brought up several good points to... Read more »

Melatonin: Natural Supplement to Lower Blood Pressure?

By Dr. William Davis , Health Expert

Melatonin is a sleep hormone, produced by the pineal gland seated deep inside the brain, as well as... Read more »

High Dose Verapamil Problematic in Cluster Headache Treatment

By Teri Robert , Health Expert

Cluster headaches are often said to be the most painful of all headaches. They have been described... Read more »

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Health Guide

Sick sinus syndrome

...pacemaker may be necessary when it has been established that the symptoms are related to bradycardia (slow heart rate). Any associated tachycardia (a fast heart rate) may be treated with... Read more »

Heart palpitations

...your heart rate is very fast (over 100 beats per minute), this is called tachycardia. An unusually slow heart rate is called bradycardia. An occasional extra heart beat is known as extrasystole. ... Read more »

Sick sinus syndrome

...effective toolfor diagnosing sick sinus syndrome because of the episodic nature of the disorder. Extremely slow heart rate and prolonged pauses may be seen during Holter monitoring, along with... Read more »

Arrhythmias

...tachycardia - a fast heart rate that originates in the lower chambers (ventricles). Bradycardia - a slow heart rate due to problems with the SA node's pacemaker ability, or some interruption... Read more »

Scorpion fish

... respiratory shortness of breath heart and blood vessels high or low blood pressure rapid or slow heart rate nervous system fainting delirium seizures paralysis Read more »

Images

Bradycardia

Related News

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August 29, 2008

This is a study to determine if using a pacemaker along with beta blockers will improve survival rates in people who've suffered a heart attack.... Read summary »

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