Sick Sinus Syndrome
Definition It is the dysfunction of SA node characterised by attacks of sinus bradycardia, sinus arrest or junctional rhythm which may lead to dizziness or syncope, followed by episodes of…
Nodal or Junctional Rhythm
Definition When the impulse originate from AV node, it is called nodal or junctional rhythm. If the rate is high, it is called junctional tachycardia. Usually, it occurs due to…