Renal Vein Thrombosis and the Nephrotic Syndrome

A 31 year old Chinese male presented with retrosternal chest pain of 1~ years duration. During the preceding one month he had epigastric pain which was relieved by antacids. He also complained of anorexia, weight loss and nocturia of one month's duration. Two days before admission, he developed dyspnoea on exertion, orthopnoea and paroxysmal nocturnal dyspnoea. He had no previous history of renal disease, diabetes, heart disease, rheumatic fever, rash, arthralgias, insect bites and was not on any medication.