Hyper-Kalemia Out of Proportion

I'll skip intra-projestic sac and go to postrenal. I know Robbie mentions it a lot with his experience in the VA emergency department always thinking like could they have like urinary retention, some sort of urinary outlet obstruction causing an obstructive uropathy. Can you feel a huge bladder on exam? Can you get a bladder ultrasound to see if they have like, you know, three liters of urine just sitting there clogging everything up? You know, so that's certainly on my short list of somebody coming in with an AKI or even an AKI and CKD is wondering like, are they retaining and unable to really empty their urinary system. One thing in