The 69-year-old Congress leader was admitted to the Sir Ganga Ram Hospital (SGRH) last evening.
Deep vein thrombosis, or deep venous thrombosis (DVT), is the formation of a blood clot (thrombus) within a deep vein.
"Rawat has been under the care of Dr V S Bedi, Chairperson, Department of Vascular and Endovascular Surgery, and Dr Ajay Yadav, Senior Vascular Surgeon. He has been admitted for treatment of deep vein thrombosis (DVT)," according to Dr D S Rana, Chairman (Board of Management) of the SGRH.