13 results
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... Absorption: Chronic Diarrhea ... Refeeding Syndrome, Acute ... Respiratory Alkalosis ... #nephrology #phosphorus
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - ... Differential Diagnosis Algorithm ... - Metabolic alkalosis ... NGT suction - Diarrhea ... Pathophysiology #Nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Malabsorption, Phosphate ... into cells - Acute ... depletion: Respiratory alkalosis ... #causes #nephrology ... #phosphate
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Differential Diagnosis Algorithm ... Respiratory Alkalosis ... • Small bowel diarrhea ... Steatorrhea • Chronic Diarrhea ... endocrinology #causes
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Acidosis - RTA - Diarrhea ... Metabolic alkalosis ... #Diagnosis #Causes ... #Workup #Nephrology
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 ... resp. alkalosis ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... and metabolic alkalosis ... losses, Vomiting, Diarrhea ... UNa > 20: • Acute ... #Causes #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Congenital chloride diarrhea ... the indicated causes ... Chloride #urine #Algorithm ... #nephrology #differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Osmotic diuresis (see ... loss • Watery Diarrhea ... Hypernatremia #Nephrology ... #Causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... ↑ ↑ Metabolic alkalosis ... Compensation, Acute ... acidosis: - Diarrhea ... Diagnosis #Summary #Nephrology