If you were to look at an ECG trace of a 65-year-old male who has recently being diagnosed with a form of myocardia infraction indicated by a left axis deviation. What do you expect to see significantly different on Lead I and aVF of this individual? How does this abnormal ECG tracing results in the diagnosis of left axis deviation?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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If you were to look at an ECG trace of a 65-year-old male who has
recently being diagnosed with a form of myocardia infraction indicated by a
left axis deviation. What do you expect to see significantly different on Lead I
and aVF of this individual? How does this abnormal ECG tracing results in
the diagnosis of left axis deviation?

Expert Solution
Step 1 Introduction On ECG:

An electrocardiogram is used to records the electrical signals in our heart. It's a common and noninvasive test used to quickly detect heart problems and monitor our heart's health. It is done in a hospital, being a standard necessary equipment it is also found in operating rooms and ambulances. Doctors use an electrocardiogram to determine Abnormal heart rhythm, to identify if there is blocked or narrowed arteries in our heart that has lead to chest pain or heart attack. The first electrical signal on a normal ECG originates from the atria and is known as the P wave, depolarization of the ventricles results result due to greater muscle mass in the ventricles and is referred to as the QRS complex. T wave presents ventricle repolarization. 

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