The given ECG of a neonate born to a mother with SLE shows?
High-Yield Explanation
The atrial rate is approximately 100 bpm (RED TRACING) and ventricular rate is 40 bpm (BLUE TRACING). Since the two rates are independent it suggests complete hea block/ AV dissociation. Causes of complete hea block: Inferior wall MI AV conduction blocking drugs ,CCB, beta blockers and digoxin Degeneration of conducting system (Lenergre's or Lev's disease) Neonatal lupus (anti- Ro antibody)