This might be a right bundle branch conduction delay, ie a conduction disorder of some unspecified type (check the
ICD code), although whether that would be a real worry is also unspecified.
2. The note says that there is a normal echo. This is not the same thing as an ecg. So it does not follow that the ecg is normal because the echo is normal.
3. The note is not validated by the input of a physician, nor subsequently by your individual assessment of the physician and his diagnosis.