13 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... mOsm/kg - Implies renal ... , Ingestion Renal ... Diabetes insipidus (central ... #nephrology #sodium
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
- Differential Diagnosis ... Algorithm Overfill ... (Increased renal ... sodium retention ... #Algorithm #Causes
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... HYPOVOLEMIC • extra-renal ... - fevers • renal ... • renal failure ... #Workup #Algorithm
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Na <20: Extra-renal ... Urine Na >30: Renal ... Urine Na > 30: Renal ... #Hyponatremia #algorithm ... #diagnosis #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... ≥100): SIADH, Renal ... Present (Uosm <100): Renal ... Hypervolemia with poor renal ... #differential #diagnosis
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Differential Diagnosis ... Algorithm Cause ... - Diarrhea • RENAL ... gas transport, renal ... #Algorithm #Pathophysiology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Seizures • Altered mental ... Presentation: • Altered mental ... Immunosuppressive agents, Renal ... Etiology: • Pathophysiology ... factor PRES Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... pulmonary and renal ... gastrointestinal, and/or central ... • Cogan Syndrome ... • Urinalysis (Renal
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... survival is 93-95% Pathophysiology ... , and possibly renal ... at the time of diagnosis ... General: fever,
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... • Hypokalemia (renal ... , Renal tubular ... #diagnosis #nephrology ... #management #pathophysiology