13 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Algorithm 1) ... Check Urine Osmolality ... renal mechanism 2) ... #Algorithm #nephrology ... #sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Diagnosis Algorithm ... Diabetes Insipidus Workup ... history Step #2 ... #Sodium #nephrology ... #insipidus #DI
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... Step 2. ... volume loss - diuretics ... HYPERVOLEMIC • CHF ... #Algorithm #Nephrology
Flowchart to diuretic use in acute heart failure.

(A) Congestion with volume overload. 

(B) Treatment algorithm after
intravenous; SGLT2‐I, sodium–glucose ... linked transporter 2 ... ultrafiltration; UO, urine ... #CHF #Algorithm ... #HeartFailure #Cardiology
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 ... restriction alone in ... water intake (Primary ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
especially thiazide diuretics ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... suppression • Primary ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
especially thiazide diuretics ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... suppression • Primary ... #Nephrology #Differential
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Diagnosis is primarily ... osm (in DI; high ... water unavailable 2) ... Osmotic Diuresis ... #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
occurs in only ... 2-5% • 70% of ... intoxication Initial Workup ... , Urine Sodium ... diagnosis #management #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm ... loop or thiazide diuretics ... pressure: Active diuretic ... , the urine sodium ... #Algorithm #nephrology