Most Common Cardiac
Dysrhythmias
There is no significant difference between
the terms "cardiac dysrhythmias" and
"arrhythmias," as they both refer to
abnormal heart rhythms.
Sinus bradycardia - slow heart rate due to
slow electrical impulses in the sinus node.
Sinus tachycardia - fast heart rate due to rapid
electrical impulses in the sinus node.
Atrial fibrillation - rapid and irregular heart
rhythm caused by disorganized electrical
impulses in the atria.
Atrial flutter - rapid and regular heart rhythm
caused by a single electrical circuit in the atria.
Supraventricular tachycardia (SVT) - fast heart
rate originating above the ventricles.
Premature ventricular contractions (PVCs) early heartbeats originating from the
ventricles.
Ventricular tachycardia - fast heart rhythm
originating from the ventricles.
Ventricular fibrillation - chaotic and ineffective
heart rhythm originating from the ventricles,
often associated with sudden cardiac arrest.
Asystole - absence of any electrical activity in
the heart, resulting in a lack of cardiac output
and no pulse.