13 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Workup Step 1 ... Repeat the sodium ... NORMAL PLASMA OSMOLALITY ... insufficiency ... Diagnosis #Workup #Algorithm
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Weakness, fatigue, nausea ... , hypotension, hyponatremia ... ACTH) stimulation test ... • Low or normal
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... of Adrenal Insufficiency ... Tuberculosis: can cause ... Hypoparathyroidism - Type 1 ... : - Check sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... insipidus (central or nephrogenic ... Diagnosis #Workup #Algorithm ... #nephrology #sodium
Adrenal Insufficiency Diagnosis Algorithm
Test 1: Baseline AM Cortisol 
 - Beware of major normal value
 -
Adrenal Insufficiency ... Diagnosis Algorithm ... Test 1: Baseline ... Beware of major normal ... #Insufficiency
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... remember than the normal ... volume-based algorithm ... +K / serum Na >1 ... Insufficiency,
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Adrenal Insufficiency ... secondary AI, hyponatremia ... Adrenal Insufficiency ... PEARLS: 1. ... 1.
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... Diagnosis Algorithm ... unclear (often the case ... Standard Stim test ... this indicates normal
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Evaluation Algorithm ... Step 1: Consider ... may actually be normal ... Consider additional tests ... considered likely, the cause
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Clarity Dipstick test ... specific gravity test ... not be used with normal ... renal function. ... (AKI) FE Na < 1%