A Short Review of ECG Signals¶
General Features¶
P wave
- P wave has a duration less than 120 msec with frequencies below 10-15 Hz.
QRS complex
- QRS wave has a duration of about 70-110 msec with frequencies in 10-50 Hz.
T wave
- It is similar in frequency content to P wave.
PQ segment
- PQ segment lasts about 80 msec.