13 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
mimics, repeat testing ... • Evidence of glomerular ... if cause not identified ... by UW IM Residency ... #Workup #urology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... present on repeat testing ... • Fanconi's syndrome ... • Drugs Glomerular
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... • Euvolemic (Low ... #Algorithm #nephrology ... #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting ... Cirrhosis, Nephrotic syndrome ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Cirrhosis, Nephrotic syndrome ... Cerebral salt wasting ... Primary polydipsia, Low ... #diagnosis #sodium ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... from other causes ... suggests extra-renal causes ... consumption • Low ... #low
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... in monitoring low-level ... infections are common causes ... #testing #workup ... nephrotic #nephritic #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Cerebral Salt Wasting ... Cirrhosis, Nephrotic syndrome ... #nephrology
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... in monitoring low-level ... infections are common causes ... #workup #diagnosis ... #initial #testing
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... , Gitelman syndrome ... the indicated causes ... the excretion of sodium