21 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Diagnosis Algorithm ... water loss, Serum Sodium ... Polyuria scheme) e.g ... mannitol, glucosuria Low ... Hypernatremia #Nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm ... solute intake (e.g ... nutrition), Azotemia LOW ... #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup ... Algorithm 1) Check Urine ... • Euvolemic (Low ... #Algorithm #nephrology ... #sodium
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... May be 10 (eg direct ... #Classification ... #Proteinuria #Nephrology ... #Diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential ... Diagnosis Framework ... Tower sign) and low-amplitude ... dissection • Sodium-channel ... #ecg #ekg #electrocardiogram
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Diagnosis HEMODYNAMIC ... Impaired forward flow ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... #Diagnosis #nephrology
Hepatorenal Syndrome Diagnosis
 • ↑ in serum Cr of ≥ 0.3mg/dL above baseline
Hepatorenal Syndrome ... Diagnosis • ↑ ... liver disease (e.g ... type 2 HRS) • Low ... #nephrology #criteria
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria - Differential ... Diagnosis Algorithm ... • Fanconi's syndrome ... Protein deposition (eg ... #Proteinuria #Nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... Diagnosis Excess ... SGLT2 inhibitors (e.g ... • Central Dl (Low ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... , Gitelman syndrome ... #Algorithm #nephrology ... #differential # ... diagnosis