20 results
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
- Differential ... Diagnosis Algorithm ... Volume (>2ml/min) Osmotic ... #Nephrology #Differential ... #Diagnosis #Algorithm
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential ... Diagnosis Excess ... Solute (a.k.a. osmotic ... #Differential # ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Diagnosis Algorithm ... administration • Osmotic ... diuresis (see Polyuria ... Hypernatremia #Nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... Diagnosis Inadequate ... Diuretics • Osmotic ... #Diagnosis #Causes ... #nephrology #sodium
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
tests for the diagnostic ... a patient with polyuria ... + K) << UOsm - Osmotic ... #differential # ... diagnosis #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... Diagnosis Algorithm ... alkalosis, Ketonuria, Osmotic ... #Diagnosis #Algorithm ... #Causes #nephrology
Drug Induced Kidney Injury
 • Pre-Renal: NSAIDS, CNI, ACEI/ARB, IL-2 therapy, Diuretics CAR-T therapy
 • Osmotic
CAR-T therapy • Osmotic ... #KidneyInjury #differential ... #diagnosis #algorithm ... #nephrology #Medications
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup ... Hypovolemic: Diuretics, osmotic ... #Diagnosis #Workup ... #Algorithm #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Diagnosis Framework ... syndrome, CA Inh., Osmotic ... #Diagnosis #Framework ... Workup #phosphate #nephrology
Selected Differential Diagnosis of Eye Pain: Key Features and Management Options

Conjunctiva

 - Bacterial conjunctivitis

 - Viral
Selected Differential ... Diagnosis of Eye ... Key Features and Management ... #Ophthalmology ... #Eye #Ocular #Pain