69 results
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm Polyuria ... solute intake (e.g ... Primary Polydipsia #Polyuria ... Diagnosis #Algorithm #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Osm <100 mOsm/kg ... solute load #Polyuria ... Diagnosis #Algorithm #causes ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Osmolality > 300 mmol/kg ... diuresis (see Polyuria ... Hypernatremia #Nephrology ... Diagnosis #Algorithm #Causes
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Diagnosis Algorithm Polyuria ... concentration (e.g ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... SGLT2 inhibitors (e.g ... Hypercalcemia Polyuria ... Differential #Diagnosis #Causes ... #nephrology
Loperamide and QT Prolongation #Clinical #EM #Cardiology #EKG #QT #Prolongation #QTProlongation #Loperamide #ALiEM
Prolongation #Clinical #EM ... #Cardiology #EKG ... QTProlongation #Loperamide #ALiEM
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
hyperglycemic crises ... HHS/DKA: Both: Polyuria ... seizure) #Pathophys #EM
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
dialysis indication (e.g ... require urgent nephrology ... are caused by prerenal ... CONSIDER INTRINSIC CAUSES ... workup #diagnosis #nephrology
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Interstitial (Sterile pyuria ... , WBC casts, eosinophiluria ... KidneyDisease #Nephrology ... Diagnosis #Algorithm #Causes
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
• UA: sterile pyuria ... , WBC casts, eosinophiluria ... proteinuria, granular casts ... AIN #Algorithm #nephrology