EKGDX on Twitter: "1/ Let's talk about P waves #CardioTwitter. The P wave is the first positive deflection on the EKG and represents atrial depolarization. The first half represents right atrial depolarization
![Electrocardiogram showed inverted "P" waves in L1 and AVL on left-sided... | Download Scientific Diagram Electrocardiogram showed inverted "P" waves in L1 and AVL on left-sided... | Download Scientific Diagram](https://www.researchgate.net/publication/300371810/figure/fig2/AS:560618585690117@1510673294312/Electrocardiogram-showed-inverted-P-waves-in-L1-and-AVL-on-left-sided-chest-leads.png)
Electrocardiogram showed inverted "P" waves in L1 and AVL on left-sided... | Download Scientific Diagram
![ECG interpretation: Characteristics of the normal ECG (P-wave, QRS complex, ST segment, T-wave) – ECG & ECHO ECG interpretation: Characteristics of the normal ECG (P-wave, QRS complex, ST segment, T-wave) – ECG & ECHO](https://ecgwaves.com/wp-content/uploads/2017/05/ecg-t-waves-normal-large-negative-inversion-causes-diagnoses-ischemia-infarction-myocarditis-acute-hyperacute-1017x1024.png)