Sinus tachycardia is a heart rate greater than 100 beats per minute originating from the sinus node. 1. Rate: 100 to 180 beats per minute 2. P Waves precede each QRS complex 3. … See more

Sinus bradycardia is a heart rate of less than 60 beats per minute and originates from the sinus node (as the term “sinus” refers to the sinoatrial node). It has the following ch… See more

Premature Atrial Contraction are ectopic beats that originates from the atria and they are not rhythms. Cells in the heart starts to fire or go off before the normal heartbeat is supposed t… See more

Atrial flutter is an abnormal rhythm that occurs in the atria of the heart. Atrial flutter has an atrial rhythm that is regular but has an atrial rate of 250 to 400 beats/minute. It has sawtoo… See more