27 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... WBCs, or urine ... → Urine culture ... Diagnosis #Algorithm #Workup ... #urine
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... differential, urine ... dipstick, urine ... blood culture, urine ... #Injury #AKI #Workup
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... Gap - UAG and Urine ... gap - UA with urine ... Differential #Diagnosis #Workup ... #nephrology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
likely - Mid range/ULN ... FHH — check the urine ... Hypercalcemia #workup ... elevated #evaluation #workup
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Check Uosm and/or Urine ... status and measure UNa ... Hyponatremia #Diagnosis #Workup
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Wasting vs SIADH - Pathophysiology ... → Increased urine ... SaltWasting #SIADH #Pathophysiology ... #diagnosis #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... leukemia Measure Urine ... Diagnosis #Framework #Workup ... #phosphate #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) Check Urine ... Differential #Diagnosis #Workup ... #Algorithm #nephrology
Magnesium Absorption and Pathophysiology 
Magnesium Absorption: 
 • absorbed in the GIT — small intestine, Saturable
Absorption and Pathophysiology ... 5% excreted in urine ... Magnesium #Absorption #Pathophysiology ... Mg #transport #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
volume-based algorithm Urine ... or Ineffective (UNa ... solute intake, UNa ... table #sodium #nephrology