The costovertebral angle (CVA) is located on your back at the bottom of your ribcage at the 12th rib. It’s the 90-degree angle formed between the curve of that rib and your spine. “Costo” comes from ...
A man in his mid-40s presents to the emergency department (ED) for evaluation of palpitations and a 2-day history of left flank pain associated with urinary frequency. The patient has no known medical ...