Cardiology MCQ 353: ECG lead system for treadmill test

ECG lead system for treadmill test is known as:
a) Body surface mapping
b) Frank orthogonal leads
c) EASI 5 lead system
d) Mason-Likar torso leads

["Click here for the answer with explanation", "Correct Answer:"]

d) Mason-Likar torso leads

In Mason-Likar torso leads for treadmill, the limb leads are placed on the torso near the origin of the limbs. This produces changes in the QRS axis with a rightward shift and disappearance of Q waves in inferior leads. Hence it is not useful for diagnosis of QRS morphologies.

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Source: Cardiophile MD - October 21, 2014 Category: Cardiology Authors: Prof. Dr. Johnson Francis, MD, DM, FACC, FRCP Edin, FRCP London Tags: Cardiology MCQ DM / DNB Cardiology Entrance ECG / Electrophysiology Source Type: blogs