<P> Tachycardia , also called tachyarrhythmia , is a heart rate that exceeds the normal resting rate . In general , a resting heart rate over 100 beats per minute is accepted as tachycardia in adults . Heart rates above the resting rate may be normal ( such as with exercise ) or abnormal ( such as with electrical problems within the heart ) . </P>
what does a heart rate of 131 mean
tachycardia in adults