SND
Sinus node disease, also called sinus dysfunction, or sinoatrial node disease is a group of abnormal heart rhythms (arrhythmias) caused by a malfunction of the sinus node, the heart’s primary pacemaker.
Sinus node disease, also called sinus dysfunction, or sinoatrial node disease is a group of abnormal heart rhythms (arrhythmias) caused by a malfunction of the sinus node, the heart’s primary pacemaker.
