56 results
Hyponatremia - Differential Diagnosis and Evaluation Algorithm
In addition to edema and urine concentration, always consider urine
Diagnosis and Evaluation ... Algorithm In addition ... to edema and urine ... always consider urine ... Evaluation #Algorithm #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
examination, check urine ... uric acid: - Urine ... - Urine sodium ... Differential #Algorithm #Diagnosis ... #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... stimulus to ADH • Pain ... /Post-op • Neurologic ... Hypo-osmolar urine ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... stimulus to ADH • Pain ... /Post-op • Neurologic ... Hypo-osmolar urine ... #Nephrology #Differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential Diagnosis ... 145 mmol/L High Urine ... #Nephrology #Differential ... #Causes
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... unilateral flank pain ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential Diagnosis ... Recreational drugs, Poisons ... Hyperglycemia, Hyponatremia ... #neurology
The Urine / Plasma Electrolyte Ratio - Guide to Fluid Restriction in Hyponatremia
 • U/P Ratio
The Urine / Plasma ... Fluid Restriction in ... Hyponatremia • ... #diagnosis #management ... #nephrology
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Diagnosis Red Urine ... : • Any cause of ... dyes typically cause ... #urinalysis #discoloration ... #nephrology
Abnormally Colored Urine - Differential Diagnosis Framework
Red:
 - Hematuria, Hemoglobinuria, Myoglobinuria
 - Beets, Rhubarb, Blackberries, Artificial
- Differential Diagnosis ... Ann Marie Kumfer ... #Discoloration ... #Differential #Diagnosis ... #nephrology