What do beta blockers and calcium channel blockers do for someone who has ischemia? a. They prevent further blockages
b. They increase the strength of contractions
c. They slow heart rate
d. They increase heart rate

This gentleman has worsening bilateral hydronephrosis. he did not have much of a post void residual on his bladder scan. he is taken to the operating room to have a bilateral cystoscopy and retrograde pyelogram. cpt code: icd10-cm code: icd10-cm code: icd10-cm code