RT Journal Article SR Electronic T1 Protein C deficiency. Biatrial thrombus presentation JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 860 OP 862 VO 23 IS 7 A1 Saleh, Akram A. YR 2002 UL http://smj.org.sa/content/23/7/860.abstract AB Protein C deficiency is an inherited thrombophilia presented in adults with venous thrombosis at different sites. Symptomatic biatrial thrombus presentation of protein C deficiency has not, to my knowledge, been described. This report investigates a man with protein C deficiency who presented with dyspnea and recurrent attacks of dizziness associated with biatrial thrombus. Complete disappearance of the symptoms and thrombi was observed within less than 3 weeks of anticoagulation.