1510 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Insensible loss • Burns ... Hypernatremia #Nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
vomiting - burns ... Workup #Algorithm #Nephrology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
fistulas, Sweating, Burns ... Comparison #Table #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
spacing of fluids, Burns ... Algorithm #Causes #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Prerenal:
 • Due to true volume loss or decreased
hemorrhage, diuretics, burns ... Differential #Diagnosis #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Hypercatabolism [Burns ... #Polyuria #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Chemotherapy • Burns ... Rhabdomyolysis, burns ... potassium #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Chemotherapy • Burns ... Rhabdomyolysis, burns ... potassium #high #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Profuse sweating, burns ... differential #diagnosis #nephrology
Parkland Formula for Burns
Calculates fluid requirements for burn patients in a 24-hour period.  Apply only
Parkland Formula for Burns ... requirements for burn ... and 3rd degree burns ... surface area of burn ... Parkland #Formula #Burns