Left atrial septal pouch thrombus: An unusual cause of an embolic stroke

Abstract

Key Clinical Message Left‐atrial septal pouch (LASP) is a newly described anatomical variant caused by incomplete fusion of the septa primum and secundum. This case visualizes LASP as a potential nidus for blood stasis and cardiac embolism and highlights the need for consideration of TEE in the work up of cryptogenic stroke.

Keywords

• cerebrovascular disease
• cryptogenic stroke
• echocardiography
• left atrial septal pouch