10 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Differential Diagnosis Algorithm ... Transcellular Shift ... Syndrome • Osmotic Diuresis ... Acetazolamide and Thiazide Diuretics ... : • Aluminum/Magnesium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... Transcellular Shift ... vomiting) • Low ... • Discontinued diuretic ... #nephrology #low
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
= (urine magnesium ... intake, Gl loss, shift ... Hypomagnesemia #algorithm ... diagnosis #causes #nephrology ... #magnesium #low
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Transcellular Shift ... • Normal or Low ... - Normal or Low ... Inh., Osmotic diuresis ... Workup #phosphate #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Differential Diagnosis Algorithm ... • Low Magnesium ... , High Magnesium ... Extravascular deposition: Hyperphosphatemia ... #nephrology #calcium
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Differential Diagnosis Algorithm ... Appropriately Low ... Transcellular Shift ... #nephrology #phosphorus
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Saline or osmotic diuresis ... depletion, Familial hypophosphatemia ... • Drugs: Loop diuretics ... differential #diagnosis #nephrology ... #magnesium #low
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... creatinine) • Cell shift ... , Thiazide diuretics ... #differential #algorithm ... #diagnosis #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Differential Diagnosis Algorithm ... Transcellular shift ... contracted • Loop diuretics ... Gittelman's syndrome • Magnesium ... #Hypokalemia #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... potassium(K) & magnesium ... Alkalosis: Emesis, Diuretics ... differential #potassium #nephrology ... #low