Send us Fan Mail Hyperkalemia in a blocked cat can feel like a five-alarm fire—until you remember what actually fixes the problem. We sit down with Drs. Stephanie Maciorowski and Elizabeth Rozanski to unpack fresh evidence showing that the simplest path is also the strongest: start IV fluids, give calcium gluconate to stabilize the myocardium, and prioritize rapid unobstruction. The headline finding is liberating for busy ERs and general practices alike—insulin with dextrose, terbutaline, or ...