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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The correct answer is  In a patient taking digoxin. The ST-T complexes here are 'scooping' - consistent with a digitalis 'effect'. In the digitalis effect, the ST segments are often likened to a 'reverse tick' or to the shape of Dali's moustache The impoant learning point here is that the digitalis 'effect' does not necessarily mean toxicity. These ECG features can often be seen when digoxin levels are within the therapeutic range.