60 results
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Differential Diagnosis Algorithm ... , hypoglycemia Testing ... Baseline plasma ACTH Low ... • Low or normal
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Beer Potomania - Low ... Responds briskly to IV ... Hypothyroidism, adrenal ... insufficiency, ... #causes #nephrology
Adrenal Insufficiency Algorithm - Cosyntropin Stimulation Test
T-1m: Baseline cortisol drawn
T0: 250 µg cosyntropin given IV
T30m: Repeat
Adrenal Insufficiency ... Algorithm - Cosyntropin ... cosyntropin given IV ... #Insufficiency ... #Testing #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Differential Diagnosis Algorithm ... Syndrome of Inappropriate ... Hypothyroidism • Adrenal ... insufficiency ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Differential Diagnosis Algorithm ... Syndrome of Inappropriate ... Hypothyroidism • Adrenal ... insufficiency ... #Hyponatremia #Nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Cirrhosis, Nephrotic syndrome ... Hypothyroidism, Adrenal ... insufficiency, ... Primary polydipsia, Low ... diagnosis #sodium #nephrology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... Diagnosis Algorithm ... then go to stim testing ... primary AI - Low ... #Insufficiency
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
Autoimmune:
 • Isolated
 • Polyglandular autoimmune syndrome 1
 •
Causes of Adrenal ... Insufficiency - ... Differential Diagnosis Algorithm ... • Fungal • HIV ... #Insufficiency
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Testing Algorithm ... Cortisol, Saliva • Low ... Hormone • MRI of adrenal ... #diagnosis #algorithm ... endocrinology #Adrenal
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
- 1° HPT - 1° Renal ... PO4 wasting: Hereditary ... , TIO, Fanconi Syndrome ... Hypophosphatemia #phosphorus #low ... #differential #nephrology