33 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... UNa > 20: • Acute ... or chronic renal ... #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... • Refeeding Syndrome ... • Acute Respiratory ... • Acute Volume ... endocrinology #causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Torsemide) • Acute ... Kidney stones caused ... hyperaldosteronism • Acute ... #Nephrology #Pharmacology ... #Medications #Table
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential ... Malabsorption, Chronic ... Inh., Osmotic diuresis ... #phosphate #nephrology
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
- Nephrotic syndrome ... - Acute and ... chronic kidney disease ... #Diagnosis #Table ... #Causes
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... (carbonic anhydrase ... Hypomagnesemia, Acute ... #differential # ... diagnosis #nephrology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Polyneuropathy, Acute ... stroke, Acute spinal ... #differential # ... diagnosis #table ... #neurology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... postchronic hypercapnia (acute ... reversal of chronic ... #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... osmolarity If cause ... #Diagnosis #nephrology ... #causes