Ratio ascites to serum creatinine, increased
Raynaud's phenomenon
Red cell fragmentation
Red eyes
Reduced level of consciousness
Reed-Sternberg cells
Renal enlargement
Renin, increased
Respiratory acidosis
Respiratory alkalosis
Reticulocytosis
Retrognathia
Rheumatoid factor, positive
Ridged nails
Right bundle branch block
Right QRS axis deviation
Right ventricular hypertrophy
Rigors