15 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... addition) of volume status ... sodium low, uric ... and uric acid low ... #Diagnosis #Nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
• Evidence of glomerular ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified ... #Workup #urology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Algorithm 1) ... Check Urine Osmolality ... mechanism 2) Volume Status ... • Euvolemic (Low ... #Algorithm #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... mannitol, glucosuria Low ... Urine Osmolality ... #Nephrology #Differential ... #Causes
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... 3 questions to work ... Measure urine osmolality ... of symptomatic (seizures ... Treatment #management #nephrology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Algorithm - Approach ... arbitrarily defined as urine ... system (stroke, seizure ... because nephritic urine ... nephrotic #syndrome #nephrology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... nephron - TTKG > 7, Urine ... hypotension) Decreased Glomerular ... IntercellularShift #Nephrology ... #Causes
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Intake: • Low ... altered mental status ... rate by tubulo-glomerular ... Pathophysiology #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 ... Urine Na+K / serum ... can be high or low ... table #sodium #nephrology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
disease 24-hour urine ... in monitoring low-level ... infections are common causes ... #testing #workup ... nephrotic #nephritic #nephrology