14 results
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Solute Intake - Primary ... Pulmonary Diseases ... , SSRIs) - SIADH ... diagnosis #nephrology #sodium
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
ADH secretion (SIADH ... hemorrhage) - Pulmonary ... renal failure - Primary ... Diagnosis #Table #Causes ... #Sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... include pain, primary ... promoting passive sodium ... Saline: • If Urine ... #Management #hyponatremia
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 ... water intake (Primary
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
Pseudohyponatremia, SIADH ... intoxication Initial Workup ... Osm, Serum Sodium ... , Urine Sodium ... Polydipsia #diagnosis #management
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Primary lung pathology ... administered • This can cause ... promoting passive sodium ... 0.9% NS • If Urine ... #Management #hyponatremia
Intraoperative Sepsis - Guidelines for Crises in Anaesthesia

Severe sepsis (hypotension persisting after initial fluid challenge of
record hourly urine ... Consider monitoring cardiac ... surgical site, urine ... Anesthesiology #Anesthesia ... #Workup
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
3 questions to work ... Measure urine osmolality ... the underlying cause ... Diagnosis #Treatment #management ... #nephrology #sodium
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Guidelines for Crises ... ischaemia primarily ... Anesthesiology #Anesthesia ... Checklist #Diagnosis #Management ... #Workup
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Guidelines for Crises ... hypovolaemia; primary ... cardiac arrhythmia ... Checklist #Diagnosis #Management ... #Workup