1. passing through or across a septum (a dividing wall or membrane in the body)
Usage: medical

Examples

• The cardiologist performed a transeptal puncture to access the left atrium.
• Transeptal catheterization is used in certain heart procedures.
• The surgeon explained the transeptal approach for the valve repair.
• Transeptal techniques allow doctors to reach areas of the heart that are otherwise difficult to access.
• The medical team prepared for a transeptal procedure to treat the patient’s arrhythmia.