34 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... Loses - Medications ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes #Workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... mOsm/kg - Implies renal ... , Cushing syndrome ... #nephrology #sodium
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
hypernatremia - Cushing's syndrome ... Hypodipsia - Renal ... Classification #Features #Diagnosis ... #Comparison #Table ... #Nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... irrigation • Management ... #Diuresis #Nephrology ... #Pharmacology # ... Medications #Table
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... volume loss - diuretics ... • nephrotic syndrome ... #Nephrology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
- Differential Diagnosis ... and Gitelman syndrome ... Hypomagnesemia - Acquired: Medications ... transplant, Diuretic ... #causes #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... • Refeeding syndrome ... Thyrotoxicosis Medications ... • Discontinued diuretic ... #Algorithm #nephrology
Pharmacological Treatment of Hepatorenal Syndrome (HRS)

Midodrine - Alpha agonist incr blood pressure incr renal perfusion pressure
of Hepatorenal Syndrome ... pressure incr renal ... #Nephrology #Management ... #Pharmacology # ... Medications #Treatment
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
foscarnet - Diuretics ... Fanconi syndrome ... hypomagnesemia #Medications ... #differential #diagnosis ... #nephrology #Causes
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
(steatorrhea) Renal ... Tubulointerstitial renal ... Hypomagnesemia #Causes #diagnosis ... #differential #medications ... #drugs #pharmacology