Article Text
Statistics from Altmetric.com
Clinical Introduction
A 15-year-old male patient presented with dyspnoea on exertion for 6 months. He had no significant medical history. His blood pressure and pulse rate were within normal limits. Cardiac auscultation revealed a grade 4/6 (Levine scale) high-frequency pansystolic murmur over the cardiac apex conducting to left axilla as well as to base of the heart. Haematological and biochemical evaluation including 12-lead ECG were within normal limits. Chest X-ray showed mild cardiomegaly. Transthoracic echocardiography (TTE) with colour Doppler imaging was done (figure 1).
Question
Which of the following is the most likely diagnosis?
Complete atrioventricular canal defect …
Footnotes
Contributors All the authors are fully involved in data collection and preparation of the manuscripts.
Competing interests None declared.
Patient consent Obtained.
Provenance and peer review Not commissioned; internally peer reviewed.