ECG Case 138 Post category:ECGs Post published:February 15, 2023 Share on Facebook Share on X (Twitter) Share on Pinterest Share on Email Share on Reddit ECG Case 138 A 14-year-old girl with known unrepaired ventricular septal defect presents with cyanosis, sudden-onset dyspnea and palpitations. What is the underlying rhythm? INTERPRETATION AND ANSWER Share on Facebook Share on X (Twitter) Share on Pinterest Share on Email Share on Reddit Read more articles Previous PostECG Case 137 Next PostECG Case 139 You Might Also Like ECG Case 94: Atrioventricular nodal re-entry tachycardia (AVNRT) with ischaemia July 27, 2022 ECG Case 64: Old Anterior Myocardial Infarction March 16, 2022 Atrial Fibrillation with Rate Related RBBB May 5, 2021