30 results
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Algorithm INDICATIONS ... Cortisol, Free Urine ... dexamethasone suppression test ... Serum (or Cortisol Urine ... endocrinology #Adrenal
Syphilis Diagnostic Algorithm
 • Syphilis (TP) EIA
 • RPR
 • A different treponemal specific test (TPPA)

ID
Syphilis Diagnostic Algorithm ... treponemal specific test ... Syphilis #Diagnosis #Algorithm ... #Testing #laboratory
Adrenal Insufficiency Algorithm - Cosyntropin Stimulation Test
T-1m: Baseline cortisol drawn
T0: 250 µg cosyntropin given IV
T30m: Repeat
Adrenal Insufficiency ... Algorithm - Cosyntropin ... Stimulation Test ... Insufficiency #Testing ... #Algorithm #Cosyntropin
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Urine Drug Screens ... false positive tests ... Diphenhydramine #Urine ... DrugScreens #UDS #Laboratory ... FalsePositive #Testing
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... ultrasound, Tests ... (with 24-h urine ... h of infusion Adrenal ... CT scan, adrenal
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
Measurement of urine ... Differential Diagnosis Algorithm ... deficiency • Primary Renal ... PO4 wasting ... Hypophosphatemia #urine
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... autoantibody tests ... - Serum tests that ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Diagnosis Algorithm ... then go to stim testing ... Standard Stim test ... Insufficiency #Diagnosis #Algorithm ... #Stimulation #Test
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Differential Diagnosis Algorithm ... , hypoglycemia Testing ... ACTH) stimulation test ... Differential #Diagnosis #Algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... mimics, repeat testing ... WBCs, or urine ... Nephrology for renal ... Hematuria #Diagnosis #Algorithm