33 results
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Algorithm INDICATIONS ... FOR TESTING: • ... Cortisol, Saliva • Low ... dexamethasone suppression test ... Syndrome #diagnosis #algorithm
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia Diagnostic Algorithm ... - 1° Renal PO4 wasting ... Hypophosphatemia #phosphorus #low ... #diagnosis #Algorithm ... #differential #nephrology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... , hypoglycemia Testing ... ACTH) stimulation test ... Baseline plasma ACTH Low ... insufficiency • Low
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Uric Acid - Low ... Acid → renal salt wasting ... #nephrology #sodium ... #low #uricacid
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... negative if on low-gluten ... Reflects response to treatment ... Celiac #Disease #Testing
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis Algorithm ... then go to stim testing ... Standard Stim test ... primary AI - Low ... #Stimulation #Test
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... specificity for AI (but low ... require Cosyntropin testing ... - Low ACTH is ... Insufficiency #Algorithm
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Cerebral salt wasting ... Primary polydipsia, Low ... #Hyponatremia #Algorithm ... diagnosis #sodium #nephrology
Invasive Candidiasis (IC)

Diagnosis:
Culture:
 • Gold standard, but Slow (~2-3 days), 50% sensitivity
 • Blood Sample
 •
standard, but Slow ... Non-culture-based tests ... • Molecular Tests ... susceptibility testing ... Line Targeted Treatment
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