Obstruction

A 29-year-old woman at 25 weeks of pregnancy presents with right flank pain, rigors and vomiting. Her temperature is 39.2°C, pulse 132/min and blood pressure 92…

A 72-year-old man is found to have a serum creatinine of 286 micromol/L, compared with 98 micromol/L 3 months earlier. He reports six months of poor urinary str…