Why the study?
Does lowering heart rate with practolol affect electrical alternans in a patient with massive pericardial effusion?
Population
1 patient with massive pericardial effusion and electrical alternans
Design
Case_report
Authors
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Reducing heart rate increased electrical alternans in massive pericardial effusion; hypothesis-generating and challenges the postulate that tachycardia is required.
Does lowering heart rate with practolol affect electrical alternans in a patient with massive pericardial effusion?
Lowering heart rate with practolol increased electrical alternans, challenging the postulate that tachycardia is necessary for its appearance in cardiac tamponade.
Cokkinos et al. (1974) studied this question.
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