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Basic survival skills
How to prioritize needs in survival situations
How to adapt to extreme situations
ECG- Limb Leads
Bipolar recordings utilize standard limb leads
- lead I- positive electrode on left arm, and negative electrode on right arm, and
- lead II - positive electrode on left leg and negative electrode on right arm.
- lead III - positive electrode left leg and negative electrode on left arm.
These bipolar limb leads form a triangle (heart at the center) that is - Einthoven's triangle.
these measure the potential difference between the leads. Other two limb leads, an electrode on serves as a reference electrode for recording purposes.
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