43 results
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
- Inability to differentiate ... simple arithmetic calculations ... Gerstmann #Syndrome #neurology
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 #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology ... #Differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Uosm < 100 mmol/kg ... #Hyponatremia #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
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
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
infiltration (e.g ... Marrow suppression (e.g ... Intrinsic RBC defects (e.g ... hematology #anemia #differential ... #diagnosis #calculation
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 #
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Constipation - Differential ... Volume / Bulk Neurologic ... Withholding • Painful (e.g ... Pseudo-obstruction Neurologic ... #Constipation #Differential