Sinus tachycardia is a tachychardia characterized by an abnormally rapid sinus rhythm specifically a sinus rhythm at a rate greater than 100 beats per minute. [ url:http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=sinus%20tachycardia ]
This is just here as a test because I lose it
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definition
Sinus tachycardia is a tachychardia characterized by an abnormally rapid sinus rhythm specifically a sinus rhythm at a rate greater than 100 beats per minute.