27 results
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
hypernatremia - Cushing's syndrome ... , Loop diuretics ... hypernatremia - Vomiting, Diarrhea ... Diagnosis #Comparison #Table ... #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... Renal losses, Diuretic ... losses, Vomiting, Diarrhea ... UNa > 20: • Acute ... #Causes #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Gl tract loss (Diarrhea ... Loop and thiazide diuretics ... Differential #Diagnosis #Algorithm ... potassium #low #nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
nasogastric suction, Diarrhea ... , Bartter's syndrome ... use), Gitelman's syndrome ... Hypomagnesemia, Acute ... differential #diagnosis #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... • Refeeding syndrome ... losses (NG suction, diarrhea ... • Discontinued diuretic ... #nephrology #low
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... Torsemide) • Acute ... hyperaldosteronism • Acute ... #Nephrology #Pharmacology ... #Medications #Table
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
paraproteinemia, acute ... Malabsorption, Chronic diarrhea ... Insulin/Glucose, Acute ... Inh., Osmotic diuresis ... Workup #phosphate #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
volume loss - diarrhea ... volume loss - diuretics ... • nephrotic syndrome ... Diagnosis #Workup #Algorithm ... #Nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Differential Diagnosis Algorithm ... administration • Osmotic diuresis ... (see Polyuria scheme ... loss • Watery Diarrhea ... Hypernatremia #Nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Gastrointestinal loss: Diarrhea ... , Thiazide diuretics ... #differential #algorithm ... #diagnosis #nephrology