The heart's normal sinus rhythm is created by electrical signals that spread throughout the heart in an organized manner along a certain route at a particular speed. This article explores sinus ...

Normal results, also known as "normal sinus rhythm:" Your heart is functioning normally with a steady rhythm and appropriate ...

then the term “ectopic atrial rhythm” is used. Because the origination of this electrical activity is not from the sinus node, the P wave would not have its normal sinus appearance ― that is ...

1 Department of Family ... I second-degree AV block. Sinus bradycardia is defined as a heart rate of <60 beats/min and is present in up to 80% of highly trained athletes.6,11 Heart rates ≥30 beats/min ...