New technology in echocardiography II: imaging techniques.

Correspondence to: ProfessorWN McDicken, Department of Medical Physics and Medical Engineering, University of Edinburgh, Edinburgh EH3 9YW, UK. Intravascular techniques Intravascular ultrasound (IVUS) coronary arteries has become poss improvements in the miniaturisatic sound transducers. Intravascular B ing consists of cross sectional i vessels by miniature ultrasound mounted on wires which are contain catheter sheath (fig 1). The scanni directed at right angles to the axis and sweeps through 3600 (fig 2). In imaging of structures related to the efforts are being made to classify present with a view to predicting th interventional procedures. Few ( companies produce such systex