Remove 2020 Remove Pericarditis Remove Pharmacology
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Does this T wave pattern mean anything?

Dr. Smith's ECG Blog

This may result from fluctuations in heart rate or in nervous system activity or from pharmacologic treatment. In practice — It appears that electrical alternans is most often seen in association with regular SVT rhythms ( See the example in My Comment at the bottom of the page, in the September 7, 2020 post in Dr. Smith's ECG Blog ).

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A woman in her 20s with syncope

Dr. Smith's ECG Blog

The second most common cause of medical cardiac tamponade is acute idiopathic pericarditis. Less common etiologies include uremia, bacterial or tubercular pericarditis, chronic idiopathic pericarditis, hemorrhage, and other causes such as autoimmune diseases, radiation, myxedema, etc. What is ELECTRICAL ALTERNANS?