 |
ËÅѡࡳ±ì¡ÒÃÇÔ¹Ô¨©ÑÂ
R-R interval is regular
QRS rate is normal for age
P wave precedes each QRS complex
P wave axis is 0o to 90o(with normal atrial situs)
P wave axis remains constant
PR interval is normal for age and heart rate
PR interval remains constant
|