Stones: Epidemiology and Evaluation

ROKS nomogram for predicting recurrent stone episodes, from Rule 2014

Evaluation after first stone episode, from Campbell's

Reasons to get a 24hr urine collection, from Campbell's

Stone management, from Campbell's

Risk factors


Soluble increasing stone formation

Other factors increasing stone risk

Factors decreasing stone formation


Anatomic risk factors


Types of Stones

Patient evaluation

Patient history risk factors

"High risk" stone formers

Workup components

24hr Urine Collection

Patient counseling

Measured variables

Tips for Collection