78 results
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Testing Algorithm ... dexamethasone suppression test ... Hormone • MRI of adrenal ... #diagnosis #algorithm ... endocrinology #Adrenal
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Algorithm ADH ... Independent: • Tea ... and Toast Syndrome ... Hypothyroidism, adrenal ... #nephrology
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 ... , TIO, Fanconi Syndrome ... #nephrology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Algorithm Clinical ... , hypoglycemia Testing ... ACTH) stimulation test ... #Differential #Diagnosis
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... and Screening Testing ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... #Differential #Diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Algorithm Syndrome ... Pain/Post-op • Neurologic ... Hypothyroidism • Adrenal ... #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Algorithm Syndrome ... Pain/Post-op • Neurologic ... Hypothyroidism • Adrenal ... #Algorithm #Causes
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 ... #Algorithm #ACTH ... #Stimulation #Test
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... upgaze - Light-near ... Hydrocephalus → "setting ... #diagnosis #pineal ... #neurology
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Diagnosis Adrenal ... Insufficiency - Algorithm ... Step 1) Screening Test ... require Cosyntropin testing ... Insufficiency #Algorithm