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A previously asymptomatic woman in her 40s presented to the emergency with sudden onset of weakness of the right side upper and lower limbs and slurring of speech. Her symptoms improved entirely within 24 hours. Cardiac examination revealed a loud first heart sound and a short mid-diastolic rumble at the apex. ECG showed normal sinus rhythm. Non-contrast CT of the head done in the emergency was normal. Transthoracic echocardiogram image in apical four-chamber view is shown in figure 1.
Contributors All authors contributed to design, data collection, draft preparation and manuscript review.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient and public involvement Patients and/or the public were not involved in the design, conduct, reporting or dissemination plans of this research.
Provenance and peer review Not commissioned; internally peer reviewed.