Blog Alert for Health News from Medical News Today, Sep 2, 2013

New Posts to Health News from Medical News Today on Sep 2, 2013:

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1) What is a nuclear stress test?
http://feedproxy.google.com/~r/mnt/healthnews/~3/Lf2QIa0BQ5Q/265579.php

Editor's Choice
Main Category: Heart Disease

Also Included In: Cardiovascular / Cardiology

Article Date: 02 Sep 2013 - 14:00 PDT



A nuclear stress test is similar to the exercise stress test or pharmacological (chemical) stress test, but a small amount of radioactive substance is used to determine the health of the heart and blood flow to the heart.
The nuclear stress test can be referred to by other names, such as a thallium stress test1, myocardial perfusion scan2, or radionuclide test3.
The nuclear stress test can be done while the patient is resting or doing exercise. The radioactive substance that is injected into the patient is called a radionuclide
According to the British Heart Foundation, "Radionuclide tests are considered safe4. However, during the test you will be exposed to some radiation."
How can a nuclear test help the doctor?
When a doctor is diagnosing a patient's [...]

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2) What is deep brain stimulation?
http://feedproxy.google.com/~r/mnt/healthnews/~3/UA-v3cgDJsI/265445.php

Editor's Choice
Main Category: Neurology / Neuroscience

Also Included In: Parkinson's Disease;  Medical Devices / Diagnostics

Article Date: 02 Sep 2013 - 9:00 PDT

Deep brain stimulation (DBS) is a surgical procedure that involves placing a neurostimulator in the brain which sends out electrical impulses to specific regions of the brain.
The electrical impulses are sent out to block abnormal signals that can cause a number of different neurological disorders.
DBS is commonly used to treat essential tremor, Parkinson's disease, and dystonia (a movement disorder in which the muscles contract and spasm).
The procedure is also being studied as a potential form of treatment for Tourette syndrome and major depression.
The DBS system is made up of three different components:
an implanted pulse generator
the lead
an extension wire
The lead (also called an electrode) is a thin insulated wire [...]

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3) What is NuvaRing (vaginal ring)? How to use NuvaRing
http://feedproxy.google.com/~r/mnt/healthnews/~3/P27aoTjAT0U/265504.php

Editor's Choice
Main Category: Women's Health / Gynecology

Also Included In: Sexual Health / STDs

Article Date: 02 Sep 2013 - 9:00 PDT

The NuvaRing is a hormonal contraceptive device for women.
The device is a flexible plastic ring which is placed into the vagina. The NuvaRing releases the hormones progestin and estrogen into the body, which prevents the ovaries from producing mature eggs.
A NuvaRing is typically worn for three weeks, after which it should be removed - to allow menstruation. A regular menstrual period will typically start within two or three days of removing the ring. After a one week break a new ring can be inserted.
NuvaRing is manufactured by the pharmaceutical giant Merck. It was first approved in Holland on February 14, 2001, and months later 14 other European Union countries approved.
On October 3, 2001, the U.S. Food and Drug Administration (FDA) made [...]

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