Ultrasound with transducer on abdominal wall
Expansion
Transabdominal Scan
Purpose
Broader field of view for abdominal organs and overall anatomy
Clinical Context
TAS uses lower-frequency transducers (2 to 5 megahertz) placed on abdomen. Broader field of view but less detail than TVS for pelvic and gynaecological structures.
Related Terms
- TVS
- Transabdominal ultrasound
Key Points
- TAS good for screening; limited resolution compared to TVS for pelvic details