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

Dr. Smith's ECG Blog

Alternation in ST segment appearance ( or in the amount of ST elevation or depression ) — is often linked to ischemia. This may result from fluctuations in heart rate or in nervous system activity or from pharmacologic treatment. Repolarization Alternans — entails beat-to-beat variation in the ST segment and/or T wave.

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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.