2594 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Gl tract loss (Diarrhea ... SAME, Cushing Syndrome ... diuretics, Bartter syndrome ... , Gitelman syndrom ... potassium #low #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... losses (NG suction, diarrhea ... Diagnosis #Algorithm #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Cerebral salt wasting syndrome ... losses, Vomiting, Diarrhea ... Stress, Drugs, Syndrome ... • Nephrotic syndrome ... Algorithm #Causes #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Absorption: Chronic Diarrhea ... Shift: Refeeding Syndrome ... Tumor Genesis Syndrome ... FGF23: Fanconi Syndrome ... Diagnosis #Algorithm #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Malabsorption, Chronic diarrhea ... alkalosis, Hungry bone syndrome ... Tumor genesis syndrome ... FGF-23: Fanconi syndrome ... Workup #phosphate #nephrology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
hypernatremia - Cushing's syndrome ... hypernatremia - Vomiting, Diarrhea ... Comparison #Table #Nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
volume loss - diarrhea ... • nephrotic syndrome ... Workup #Algorithm #Nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Gastrointestinal loss: Diarrhea ... Aldosterone: Cushing syndrome ... excess, Liddle syndrome ... , Gitelman syndrome ... algorithm #diagnosis #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Laxative use • Diarrhea ... ↓ Aldosterone: Syndrome ... excess, Liddle's syndrome ... , Gitelman syndrome ... differential #potassium #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Postparathyroidectomy (hungry bone syndrome ... metastasis (hungry bone syndrome ... biliary fistula, Diarrhea ... Endocrine disorders: Syndrome ... differential #diagnosis #nephrology