Asthma electrocardiogram

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Lakshmi Gopalakrishnan, M.B.B.S. [2]

Overview

ECG in asthmatics with acute severe exacerbation may reveal sinus tachycardia and a right heart strain pattern. However, the administration of a β2-agonist may relieve symptoms and hence result in a paradoxical decrease in heart rate. The presence of supraventricular tachycardia should raise a suspicion of theophylline toxicity.[1]

Electrocardiogram

ECG in asthmatics with acute severe exacerbation may reveal sinus tachycardia and a right heart strain pattern. However, the administration of a β2-agonist may relieve symptoms and hence result in a paradoxical decrease in heart rate. The presence of supraventricular tachycardia should raise a suspicion of theophylline toxicity.[1]

  • Abnormalities in S1Q3T3 may be seen in bronchospasm.

References

  1. 1.0 1.1 Arshad H, Khan RR, Khaja M (2017). "Case Report of S1Q3T3 Electrocardiographic Abnormality in a Pregnant Asthmatic Patient During Acute Bronchospasm". Am J Case Rep. 18: 110–113. PMC 5297401. PMID 28144025.

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