Скачать или смотреть ECG Basics: Which Electrode is Positive in Lead I? (Einthoven’s Triangle) | NNL ONE

Struggling with ECG lead placement? You’re not alone!

In this video, we break down one of the most common exam questions for nursing and medical students: In Lead I, which electrode is the positive one?

Understanding the fundamentals of Einthoven’s Triangle is crucial for interpreting ECGs correctly. We’ll show you:

How the limb leads form a triangle around the heart.

How Lead I compares electrical activity between the right and left arms.

The "Golden Rule" of upward deflection in ECG signals.

🧠 Test Your Knowledge
Think you know the answer? Drop your guess (Right Arm or Left Arm?) in the comments before the reveal!

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