3108 results
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... among the possible causes ... in blood urea causes ... concentration (UNa ... SIADH #Thiazides #UNAa
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Treat underlying cause ... : • Causes can ... • With lower Na ... promoting passive sodium ... osmolality < 538 AND UNa
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Treat underlying cause ... • With lower Na ... administered • This can cause ... promoting passive sodium ... osmolality < 538 AND UNa
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Urinalysis & Urine Sodium ... • Urinary casts ... = Sodium. ... < 1% Urine sodium ... #casts #glucosuria
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... or Ineffective (UNa ... : SIADH, Renal Sodium ... solute intake, UNa ... diagnosis #table #sodium
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion of Sodium ... Fractional Excretion of Sodium ... FENa) = (Urine Na ... Serum Cr) / (Serum Na ... Fractional #Excretion #Sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Hypovolemia, UNa ... Hypovolemia, UNa ... Hypervolemia, UNa ... Diagnosis #Algorithm #Causes
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
- RAAS ON (UNa ... - RAAS OFF (UNa ... Algorithm #diagnosis #sodium
How much sodium is in 1 Liter of Normal Saline? In Bags if Potato Chips
How much sodium ... saline = 0.9% sodium ... meq/L) x (23 mg Na ... meq) = 3,542 mg Na ... about as much sodium
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Increased renal sodium ... retention, Urine Na ... Diagnosis #Algorithm #Causes