Radiation dermatitis
Radiation proctitis
Radiation-induced lung injury
Rapid eye movement sleep behavior disorder
Rapid sequence induction and intubation
Raynaud's phenomenon
Reactive arthritis
Rectal cancer
Rectal foreign body
Rectal prolapse
Rectovaginal fistula
Recurrent pregnancy loss
Recurrent urinary tract infection in women
Red blood cell transfusion
Reduction mammoplasty
Relapsing polychondritis
Renal angiomyolipoma
Renal artery aneurysm
Renal artery stenosis
Renal biopsy
Renal cell carcinoma
Renal cysts
Respiratory syncytial virus infection
Restless legs syndrome
Reversal of neuromuscular blockade
Rhabdomyolysis
Rheumatic fever
Rheumatoid arthritis
Rosacea
Rotator cuff disorders
Rumination syndrome