Archive for EKG interpretation

EKG, ECG interpretation part II

In EKG interpretation Part II, I will focus on the EKG in various pathologic conditions.
This includes hypertrophy and enlargement, abnormal rhythm, abnormal conduction,
preexcitation syndromes, myocardial ischemia and infarction, electrolyte disturbances,
drug effects and miscellanous disorders.

In Hypertrophy and Enlargement chapter, I focus on the understanding of concepts like hypertrophy and enlargement, the underlying mechanism that produces them and the EKG appearance in right and left atrial enlargement and right and left ventricular
hypertrophy.
I tried to explain in each case why this modifications appear and I used examples for a better understanding and memorizing of the details.

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Hypertrophy and enlargement: concept, pathophysiology

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Atrial enlargement: left atrial enlargement, right atrial enlargement

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Axis on EKG, axis on ECG

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Right ventricular hypertrophy, RVH

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Left ventricular hypertrophy, LVH

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Secondary repolarization abnormalities: downsloping ST and T inversion

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Ventricular activation time VAT or intrinsicoid deflection

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Left ventricular hypertrophy EKG (ECG) criteria: Sokolow-Lyon and Cornell criteria

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Left ventricular hypertrophy LVH: Romhilt-Estes point system

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