To Lyse or Not: The Role of Half-Dose Thrombolysis in Right Ventricular Clot Associated with Sub-Massive Pulmonary EmbolismNasreldin A. Hamza1, Wasfy J. Hamad1, Shamim K. Vakkulathil1, Vimalraj Sundaram1, Haidar M. Hadi2, Abdulqadir J. Nashwan3*1 Critical Care Department, Al-Khor General Hospital, Hamad Medical Corporation, Doha 3050, Qatar2 Cardiology Department, Al-Khor General Hospital, Hamad Medical Corporation, Doha 3050, Qatar3 Nursing Department, Hamad Medical Corporation, Doha 3050, Qatar*Corresponding author:Mr. Abdulqadir J. Nashwananashwan@hamad.qaMob: (+974) 66473549, P.O. Box 3050 Doha, QatarORCID: https://orcid.org/0000-0003-4845-4119E-mails: nhamza@hamad.qa; whamad1@hamad.qa; SVakkulathil@hamad.qa; VSundaram@hamad.qa; HHadi3@hamad.qa; Anashwan@hamad.qa