12 results
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Diagnosis Algorithm ... Polyuria = >3L ... nutrition), Azotemia LOW ... #Differential #Diagnosis ... #Algorithm #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential Diagnosis ... • Central Dl (Low ... Mimics (↑ urine ... - Strong Medicine ... #Causes #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... diuresis (see Polyuria ... mannitol, glucosuria Low ... Urine Osmolality ... Hypernatremia #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... - RBC casts → Diagnostic ... Hematuria: • Stone ... #Differential #Diagnosis ... #nephrology #renal
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
presenting with overt glomerular ... arbitrarily defined as urine ... nervous system (stroke ... because nephritic urine ... nephrotic #syndrome #nephrology
Hepatorenal Syndrome Diagnosis
 • ↑ in serum Cr of ≥ 0.3mg/dL above baseline
Hepatorenal Syndrome Diagnosis ... type 2 HRS) • Low ... urine Na+ (<10 ... - Strong Medicine ... #HRS #nephrology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
disease 24-hour urine ... in monitoring low-level ... Serum or urine for ... testing #workup #diagnosis ... nephrotic #nephritic #nephrology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
- Differential Diagnosis ... nephron - TTKG > 7, Urine ... hypotension) Decreased Glomerular ... IntercellularShift #Nephrology ... #Differential #Diagnosis
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
disease 1) 24-hour urine ... in monitoring low-level ... Serum or urine for ... #workup #diagnosis ... initial #testing #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... Urine chloride is ... in the proximal tubule ... #Algorithm #nephrology ... #differential #diagnosis