41 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Gl tract loss (Diarrhea ... #causes #potassium ... #low #nephrology
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... Urine Mg < 10g • Diarrhea ... • Gitelman's syndrome ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
potassium(K) & magnesium ... Laxative use • Diarrhea ... #differential # ... potassium #nephrology ... #low
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Diagnosis Algorithm ... • Low Magnesium ... , High Magnesium ... metastases, Hungry bone syndrome ... #nephrology #calcium
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Hypomagnesemia #algorithm ... #differential # ... diagnosis #causes ... #nephrology #magnesium ... #low
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Differential ... Familial: Bartter syndrome ... and Gitelman syndrome ... #nephrology #magnesium ... #low
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Diagnosis Algorithm ... • Refeeding Syndrome ... : • Aluminum/Magnesium ... endocrinology #causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... Diagnosis Algorithm ... <20mmol/d • Diarrhea ... • Magnesium depletion ... #Hypokalemia #Nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... Hypernatremia #Nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... • Refeeding syndrome ... losses (NG suction, diarrhea ... #nephrology #low