9 results
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
actually be normal or elevated ... Check Uosm and/or Urine ... tests Step 5: If SIADH ... considered likely, the cause ... #Diagnosis #Workup
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... Pulmonary Diseases ... , SSRIs) - SIADH ... diagnosis #nephrology #sodium
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... ADH secretion (SIADH ... hemorrhage) - Pulmonary ... Diagnosis #Table #Causes ... #Sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... restriction alone in SIADH ... , Renal Sodium loss ... #differential #
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... helps to differentiate ... Measured urine sodium ... volume; UNa is elevated ... EBV #potomania #SIADH
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... 3 questions to work ... 2) Is ADH elevated ... Measure urine osmolality ... management #nephrology #sodium
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
1) Clinical clues ... FHH — check the urine ... #differential # ... endocrinology #calcium #elevated ... #evaluation #workup
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
diabetes insipidus Differential ... Pseudohyponatremia, SIADH ... intoxication Initial Workup ... Osm, Serum Sodium ... , Urine Sodium
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
status and low urine ... are excellent at evaluating ... with presence of pulmonary ... Troponin may be elevated ... the determined cause