13 results
Hypomagnesemia - Etiologies by Mechanism

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

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal ... Hyponatremia • Hypercalcemia ... #Renal #Excretion ... #Diuresis #Nephrology ... #Medications #Table
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
- Differential ... Diagnosis Algorithm ... K = Hyperkalemic ... tract obstruction, Chronic ... #nephrology
Compelling and Possible Contraindications to Antihypertensive Drugs
Diuretics (thiazides)
 - Gout
 - Metabolic syndrome, Glucose intolerance, Pregnancy,
Antihypertensive Drugs Diuretics ... , Serum creatinine ... Angioneurotic edema ... active patients, Chronic ... contraindications #table
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Diuretics (discontinued ... Renal artery stenosis ... #Causes #Workup ... #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... : Hypovolemia, Hypervolemia ... #diagnosis #table ... #sodium #nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Villous adenoma Renal ... (carbonic anhydrase ... #Causes #differential ... #diagnosis #nephrology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Acidosis (NAGMA) - Differential ... Framework and Workup ... normal Type 4: Hyperkalemic ... Surgical drains - Chronic ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... transfusion • HTN and edema ... • K sparing diuretics ... #differential # ... potassium #high #nephrology