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What is Medical Abbreviation NSR?
The medical abbreviation “NSR” stands for “Normal Sinus Rhythm”
It is used to describe the normal electrical activity of the heart, specifically the heart’s electrical impulses originating from the sinus node and propagating through the atria and ventricles in a coordinated manner.
In NSR, the heart rate is regular (between 60 to 100 beats per minute in adults), and the rhythm follows the typical pattern seen on an electrocardiogram (ECG), with upright P waves preceding each QRS complex.
NSR indicates that the heart is functioning normally without any abnormalities in rhythm or conduction.
It is considered the normal rhythm of the heart in individuals without underlying cardiac conditions or arrhythmias.
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