TY - BOOK AU - Abdalla Amin Elagha AU - Ayman Kaddah , AU - Khalid Sorour , AU - Yasser Baghdadi , TI - Laser trnsseptal puncture : : A novel approach, guided by X - Ray fluoroscopy , real - time MRI and X - Ray fused with MRI ( XFM ) / PY - 2010/// CY - Cairo : PB - Abdalla Amin Elagha , KW - Laser trnsseptal puncture KW - MRI KW - X - ray fluoroscopy N1 - Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Cardiology; Issued also as CD N2 - Using conventional transseptal needle puncture and guided by x - ray fluoroscopy ( XRF ) the consequences of errant punctures through the free wall of the atria or into the aorta are well known to experienced operators . The incidence is even higher in patients with abnormal atrial septal morphology ER -