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What is ECG | Electrocardiography | Physiology | Doctor MS Khan
what is ECG
what is electrocardiography
what are the intervals of ECG
what is QRS wave
what is P wave
what is U wave
what are the intervals of ECG
what are the segments of ECG
what are the parts of ECG
what is the importance of ECG
what is the significance of ECG
what is normal ECG report