43 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... or Ineffective (UNa ... : SIADH, Renal Sodium ... diagnosis #table #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Hypovolemia, UNa ... Differential #Diagnosis #Algorithm ... #Causes #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... - RAAS ON (UNa ... - RAAS OFF (UNa ... #Hyponatremia #Algorithm ... #diagnosis #sodium
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
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Differential Diagnosis Algorithm ... Increased renal sodium ... retention, Urine Na ... #Causes
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Vasopressin-Dependent • UNa ... Cirrhosis • UNa ... #differential #algorithm ... #causes #nephrology
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
among the possible causes ... in blood urea causes ... concentration (UNa ... intravascular volume; UNa ... SIADH #Thiazides #UNAa
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... osmolarity If cause ... Vasculits: ANCA, ANA ... #AKI #Workup #Algorithm ... Diagnosis #nephrology #causes
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
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
this pump, those sodium ... intracellular sodium ... intracellular sodium ... exchanged for sodium ... intracellular calcium causes