![Significance of a negative sinus P wave in lead V2 of the clinical electrocardiogram - MacAlpin - 2017 - Annals of Noninvasive Electrocardiology - Wiley Online Library Significance of a negative sinus P wave in lead V2 of the clinical electrocardiogram - MacAlpin - 2017 - Annals of Noninvasive Electrocardiology - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/32e945f6-dc2a-47c3-9a04-d6bb846fe694/anec12432-fig-0002-m.jpg)
Significance of a negative sinus P wave in lead V2 of the clinical electrocardiogram - MacAlpin - 2017 - Annals of Noninvasive Electrocardiology - Wiley Online Library
![Frontiers | P Wave Indices—Advancing Our Understanding of Atrial Fibrillation-Related Cardiovascular Outcomes Frontiers | P Wave Indices—Advancing Our Understanding of Atrial Fibrillation-Related Cardiovascular Outcomes](https://www.frontiersin.org/files/MyHome%20Article%20Library/449172/449172_Thumb_400.jpg)
Frontiers | P Wave Indices—Advancing Our Understanding of Atrial Fibrillation-Related Cardiovascular Outcomes
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 showing inverted P waves in a Lead I and aVL and positive P waves I... | Download Scientific Diagram Ecg showing inverted P waves in a Lead I and aVL and positive P waves I... | Download Scientific Diagram](https://www.researchgate.net/publication/326806940/figure/fig2/AS:864409538789380@1583102702978/Ecg-showing-inverted-P-waves-in-a-Lead-I-and-aVL-and-positive-P-waves-I-lead-aVR-and.jpg)