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 Indian J Med Microbiol  
 

Figure 2: (A-C): Technique of ostial dilatation. Line diagram (A) shows the technique of catheterizing and crossing of the stenotic ostium. An appropriately shaped diagnostic catheter (arrow) has been passed through a guiding catheter (arrowhead). A plain fluoroscopic image (B) shows a guide wire (arrow) being passed through the diagnostic catheter (arrowhead) which in turn has been passed through a guiding catheter (curved arrow). A subsequent image (C) shows a balloon (arrow) being used to dilate the ostium, after it has been exchanged for the diagnostic catheter

Figure 2: (A-C): Technique of ostial dilatation. Line diagram (A) shows the technique of catheterizing and crossing of the stenotic ostium. An appropriately shaped diagnostic catheter (arrow) has been passed through a guiding catheter (arrowhead). A plain fluoroscopic image (B) shows a guide wire (arrow) being passed through the diagnostic catheter (arrowhead) which in turn has been passed through a guiding catheter (curved arrow). A subsequent image (C) shows a balloon (arrow) being used to dilate the ostium, after it has been exchanged for the diagnostic catheter