Middling left axis deviation

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Q: What is left axis deviation reported in the ECG? A:Left axis deviation is usually a normal variation in the ECG in which the currents arising from the heart picked up by ECG have a leftward deviation. It is not an abnormal finding and requires no treatment unless accompanied by any structural defect of the heart.

Left axis deviation treatment Left axis deviation In electrocardiography, left axis deviation is a condition where the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between −30° and −90°. This is reflected by a QRS complex positive in lead I and negative in leads aVF and II. One of the key steps in interpreting an electrocardiogram (ECG) is determining the electrical axis of the heart. Being able to determine the electrical axis can give insight into underlying disease states and help steer the differential diagnosis towards or away from certain diagnoses. In electrocardiology, a vector represents both the magnitude and direction of the action potential generated by an individual myocyte. The sum of all the individual vectors generated by the depolarization waves makes up the electrical axis. Because each myocyte can produce an action potential, an axis for each wave and interval of the cardiac cycle can be determined. Knowing the axis of each and how they interact can reflect certain pathology. When the electrical axis is discussed and taught, the ventricular axis is typically used in common clinical practice, although the atrial axis can be quite useful in clinical situations. Since the left ventricle makes up most of the heart muscle under normal circumstances; thus, it generates the most electrical force visible on the EKG. The normal ventricular axis is thus directed downward and slightly towards the left. The ventricul...

The patient: This ECG is taken from a 55-year-old man whose wife called 911 because he had a syncopal episode. When the paramedics arrived, he was conscious and alert, and denied any symptoms. He gave a history of "cardiac", diabetes, and opiate abuse. We do not know the nature of his cardiac history or his medications. It is difficult to pinpoint a definite diagnosis with this lack of information and a clearly abnormal ECG. We will limit our discussion to listing the abnormalities seen: The ECG rhythm: There is a fast, regular rhythm that is supraventricular in origin (there are P waves). When a supraventricular rhythm has a rate of about 150 per minute, we should ALWAYS consider ATRIAL FLUTTER WITH 2:1 CONDUCTION. Atrial flutter produces P waves (flutter waves) at approximately 250-350 per minute. The normal AV node is able to conduct half of these, at a rate of about 150 per minute. Atrial flutter with 2:1 conduction is the most common presentation of new-onset atrial flutter. It is often missed by people who expect to see several flutter waves in a row, producing the "sawtooth pattern". That being said, atrial flutter is usually discernable in at least a few leads if it is present. We do not see any signs of flutter waves in this ECG. That leaves us with a differential diagnosis of sinus tachycardia vs. one of the regular supraventricular tachycardias like reentrant tachycardias or atrial tachycardia. Sinus tachycardia can be recognized by several features. If we are f...

Report says, middling left axis deviation. Completeness left bundle branch block, old optical MI. Possible old anterolateral MI. V3 abnormal T wave. I understand that physical report examination is required, but I would appreciate if your expertise can give me a heads up before visiting the doctor physically, based on the information provided. Is there anything major to worry about? Patient details: Height - 5.2 Feet Weight - 60 kg Age - 48 Medical history - Constipation + piles (no major disease so far). 81 Views v

Report says, middling left axis deviation. Completeness left bundle branch block, old optical MI. Possible old anterolateral MI. V3 abnormal T wave. I understand that physical report examination is required, but I would appreciate if your expertise can give me a heads up before visiting the doctor physically, based on the information provided. Is there anything major to worry about? Patient details: Height - 5.2 Feet Weight - 60 kg Age - 48 Medical history - Constipation + piles (no major disease so far). 81 Views v

The patient: This ECG is taken from a 55-year-old man whose wife called 911 because he had a syncopal episode. When the paramedics arrived, he was conscious and alert, and denied any symptoms. He gave a history of "cardiac", diabetes, and opiate abuse. We do not know the nature of his cardiac history or his medications. It is difficult to pinpoint a definite diagnosis with this lack of information and a clearly abnormal ECG. We will limit our discussion to listing the abnormalities seen: The ECG rhythm: There is a fast, regular rhythm that is supraventricular in origin (there are P waves). When a supraventricular rhythm has a rate of about 150 per minute, we should ALWAYS consider ATRIAL FLUTTER WITH 2:1 CONDUCTION. Atrial flutter produces P waves (flutter waves) at approximately 250-350 per minute. The normal AV node is able to conduct half of these, at a rate of about 150 per minute. Atrial flutter with 2:1 conduction is the most common presentation of new-onset atrial flutter. It is often missed by people who expect to see several flutter waves in a row, producing the "sawtooth pattern". That being said, atrial flutter is usually discernable in at least a few leads if it is present. We do not see any signs of flutter waves in this ECG. That leaves us with a differential diagnosis of sinus tachycardia vs. one of the regular supraventricular tachycardias like reentrant tachycardias or atrial tachycardia. Sinus tachycardia can be recognized by several features. If we are f...

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Left axis deviation treatment Left axis deviation In electrocardiography, left axis deviation is a condition where the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between −30° and −90°. This is reflected by a QRS complex positive in lead I and negative in leads aVF and II. One of the key steps in interpreting an electrocardiogram (ECG) is determining the electrical axis of the heart. Being able to determine the electrical axis can give insight into underlying disease states and help steer the differential diagnosis towards or away from certain diagnoses. In electrocardiology, a vector represents both the magnitude and direction of the action potential generated by an individual myocyte. The sum of all the individual vectors generated by the depolarization waves makes up the electrical axis. Because each myocyte can produce an action potential, an axis for each wave and interval of the cardiac cycle can be determined. Knowing the axis of each and how they interact can reflect certain pathology. When the electrical axis is discussed and taught, the ventricular axis is typically used in common clinical practice, although the atrial axis can be quite useful in clinical situations. Since the left ventricle makes up most of the heart muscle under normal circumstances; thus, it generates the most electrical force visible on the EKG. The normal ventricular axis is thus directed downward and slightly towards the left. The ventricul...

Q: What is left axis deviation reported in the ECG? A:Left axis deviation is usually a normal variation in the ECG in which the currents arising from the heart picked up by ECG have a leftward deviation. It is not an abnormal finding and requires no treatment unless accompanied by any structural defect of the heart.