32 results
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... osmolality > 300 mosm/kg ... solute intake (e.g ... Polydipsia #Polyuria #Differential ... Diagnosis #Algorithm #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Osmolality > 300 mmol/kg ... Polyuria scheme) e.g ... Hypernatremia #Nephrology ... #Differential #
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI - Differential ... vasoconstriction (e.g ... AIN) • Drugs (e.g ... #KidneyInjury #Differential ... #Diagnosis #nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Osm < 275 mosm/kg ... Algorithm #Diagnosis #Nephrology ... #Differential #
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Osm <100 mOsm/kg ... Osm 100-200 mOsm/kg ... #Polyuria #Differential ... Algorithm #causes #nephrology
Algorithm showing a stepwise approach to the assessment and investigation of a possible neuropathy. CIDP, chronic
Charcot-Marie-Tooth; EMG ... #Diagnosis #Neurology ... Algorithm #Evaluation #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology ... #Differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology ... #Differential #
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... symptoms and signs (e.g ... CNS infection (e.g ... #Headache #Differential ... Diagnosis #Algorithm #neurology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... : > 600 mOsm/kg ... mechanism ≤ 600 mOsm/kg ... Hypernatremia #Differential ... Workup #Algorithm #nephrology