Improvement in left ventricular deformational indices following radiofrequency ablation in patients with tachycardia: A comparative study between AVRT and AVNRT regarding left vent... oleh Maryam Shojaeifard, MohammadAli Sadr-Ameli, Sadaf Sadr-Ameli, Mona Heidarali, Monireh Soltani, Behshid Ghadrdoost, Naser Movassaghi, Hooman Bakhshandeh