25 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
and Features of Hyponatremia ... Glucocorticoid deficit - Hypokalemia ... Drugs - SIADH Renal ... - Diuretics ... Differential #Diagnosis #Table
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypodipsia - Renal ... - Osmotic diuretic ... , Loop diuretics ... Postobstructive diuresis ... Diagnosis #Comparison #Table
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... losses, Diuretic ... Ketonuria, Osmotic diuresis ... failure Hypervolemia
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... Medications - Loop ... abnormalities - Hypercalcemia ... - Hypokalemia ... Low #Magnesium #Table
Hyponatremia Treatment Algorithm

CHF, Cirrhosis - Fluid restriction
SIADH - Fluid restriction
 - Consider salt tablets if etiology
Hyponatremia Treatment ... Algorithm CHF ... consider adding loop ... diuretic Reset ... #Management
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... ≥100): SIADH, Renal ... : Hypovolemia, Hypervolemia ... with poor renal ... differential #diagnosis #table
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... Clinicians should also look ... gastrointestinal K loss • Renal ... • Renal tubular ... Post-hypercapnia • Diuretics
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... +2Cl- Symport (Loop ... • Hypercalcemia ... and euvolemic hyponatremia ... #Medications #Table
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... • HTN Absent: Loop ... and thiazide diuretics
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... (if preserved renal ... function) - Loop ... diuretic (often ... #management #potassium