MEDICAL
ARTERIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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3
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5
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10
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12
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Detailed explanation-1: -The information from these 12 leads is combined to form a standard electrocardiogram.
Detailed explanation-2: -The 12-lead electrocardiogram (ECG) is an essential diagnostic tool, particularly in the management of coronary heart disease. It records the electrical activity of the heart from 12 different viewpoints or ‘leads’ by attaching ten cables to the patient’s limbs and chest.
Detailed explanation-3: -The standard ECG – which is referred to as a 12-lead ECG since it includes 12 leads – is obtained using 10 electrodes. These 12 leads consists of two sets of ECG leads: limb leads and chest leads. The chest leads may also be referred to as precordial leads.
Detailed explanation-4: -Limb leads are made up of 4 leads placed on the extremities: left and right wrist; left and right ankle. The lead connected to the right ankle is a neutral lead, like you would find in an electric plug. It is there to complete an electrical circuit and plays no role in the ECG itself.