About this document
ECG: Heart by Veena Divya Krishnappa is a document available to read on EtoBox.
The document discusses electrocardiography (ECG), electroencephalography (EEG), and electromyography (EMG). [1] An ECG records the electrical activity of the heart through electrodes on the skin. It shows the P, QRS, and T waves representing atrial depolarization, ventricular depolarization, and ventricular repolarization during the cardiac cycle. [2] An EEG records brain activity through electrodes on the scalp or brain surface. It detects delta, theta, alpha, beta, and gamma brain waves that vary with
- Author
- Veena Divya Krishnappa
- Language
- EN