14 results
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Algorithm INDICATIONS ... Cortisol, Saliva • Low ... Hormone • MRI of adrenal ... Cushing #Syndrome #diagnosis ... #Adrenal #Hyperfunction
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Algorithm Clinical ... , hypoglycemia Testing ... Baseline plasma ACTH Low ... insufficiency • Low
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 ... #Algorithm #ACTH
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Diagnosis Adrenal ... Insufficiency - Algorithm ... specificity for AI (but low ... require Cosyntropin testing ... - Low ACTH is
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Algorithm - GI ... - 1° HPT - 1° Renal ... PO4 wasting: Hereditary ... Hypophosphatemia #phosphorus #low ... #diagnosis #Algorithm
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential Diagnosis ... Algorithm - Utilizing ... Uric Acid - Low ... High Uric Acid → renal ... salt wasting By
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Hypothyroidism, Adrenal ... Cerebral salt wasting ... Primary polydipsia, Low ... #diagnosis #sodium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... consumption • Low ... #Hypokalemia #diagnosis ... #Algorithm #differential ... potassium #nephrology #low
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... can be high or low ... Cerebral Salt Wasting ... Primary polydipsia), Low ... #differential #diagnosis
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology