By rray, 28 November, 2014 If recurrence or pt high-risk<sup>5</sup>/interested 1st-stone former: additional metabolic tests [S/B] including one to two 24-hr urines on random diet:<sup>6</sup> total volume, pH, Ca++, oxalate,<sup>7</sup> uric acid, citrate, Na+, K+, Cr [EO]
By rray, 28 November, 2014 If 1° HPT suspected (high/high-NL serum Ca++):<sup>4</sup> intact PTH level [CP]
By rray, 28 November, 2014 Lab: BMP, Ca++, uric acid, UA dipstick + micro [CP].<sup>3</sup> Urine cx if UA suggests UTI, or if hx recurrent UTI.
By rray, 28 November, 2014 Hx diet [CP]: ↓ fluid intake, beverage type (cola), ↑/↓ Ca++ intake, ↑ Na+ intake, ↓ fruit/veg, ↑ animal purines, ↑ oxalate foods
By rray, 28 November, 2014 Hx medical [CP]: obesity, hyperthyroid, gout, RTA type 1, DM type 2, bone dz, 1° HPT, malabsorption,<sup>1</sup> stone-provoking meds/OTCs<sup>2</sup>
By rray, 28 November, 2014 Nephrolithiasis Medical Evaluation: 2014 AUA Guideline | epocrates Guideline Synopsis