Wilson central terminal – Cardiology MCQ
Wilson central terminal is formed by:
a) Placing an electrode exactly at the centre of manubrium sternum
b) Connecting right arm, left arm and left leg electrodes together through a 5000 Ohms resistor
c) Connecting left arm, left leg and right leg electrodes together through a 1000 Ohms resistor
d) Placing an electrode at the location of the apex beat
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Johnson Francis
Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal
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B
B
b
B
Originally ~25k Ohms, they settled on 5k Ohms (B) to avoid picking up 60 Hz interference.
b) Connecting right arm, left arm and left leg electrodes together through a 5000 Ohms resistor
B