![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/2018/01/ekg-ecg-interpretation-p-qrs-st-t-wave.jpg)
ECG interpretation: Characteristics of the normal ECG (P-wave, QRS complex, ST segment, T-wave) – ECG & ECHO
MedicTests.com - Quick Reference: Understanding the QRS complex of the EKG PR interval - Normally, < .2 seconds (one large box) (beginning of P wave to the beginning of the next QRS). *
![Normal ECG ( Electrocardiogram ) ( P wave , PR segment , PR interval , QRS complex , QT interval , ST segment , T wave , U wave ) Stock Vector | Adobe Stock Normal ECG ( Electrocardiogram ) ( P wave , PR segment , PR interval , QRS complex , QT interval , ST segment , T wave , U wave ) Stock Vector | Adobe Stock](https://as2.ftcdn.net/v2/jpg/01/07/60/11/500_F_107601128_XoAx7QlMfyRaNEUSTTF539QTWO4tMWPj.jpg)
Normal ECG ( Electrocardiogram ) ( P wave , PR segment , PR interval , QRS complex , QT interval , ST segment , T wave , U wave ) Stock Vector | Adobe Stock
![Figure 1 from P Wave Duration And Dispersion In Patients With Hyperthyroidism And The Short-term Effects Of Antithyroid Treatment | Semantic Scholar Figure 1 from P Wave Duration And Dispersion In Patients With Hyperthyroidism And The Short-term Effects Of Antithyroid Treatment | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/274136e9c45416490cec674f0f0b23bf1dc2ff03/3-Figure1-1.png)