9 results
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm ... #Differential # ... Diagnosis #Algorithm ... #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... #Differential # ... Diagnosis #Algorithm ... #causes #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Diagnosis Algorithm ... diuresis (see Polyuria ... Hypernatremia #Nephrology ... #Differential #
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Osm < 275 mosm/kg ... Assess Volume Status ... #Hyponatremia #Algorithm ... #Diagnosis #Nephrology ... #Differential #
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
- Differential ... Diagnosis Algorithm ... concentration (e.g ... #Nephrology #Differential ... #Diagnosis #Algorithm
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... Diagnosis Algorithm ... Altered mental status ... #Diagnosis #Algorithm ... #neurology #PHANTOMS
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup Algorithm ... mechanism 2) Volume Status ... Hypernatremia #Differential ... #nephrology #sodium
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Intercellular Shift - Differential ... Diagnosis Algorithm ... • Cell Lysis (e.g ... #Hyperkalemia #IntercellularShift ... #Nephrology #Differential
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Reduced Excretion - Differential ... Diagnosis Algorithm ... • Low EABV (e.g ... #Hyperkalemia #IntercellularShift ... #Nephrology #Differential