17 results
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Cortisol, Saliva • Low ... dexamethasone suppression test ... #diagnosis #algorithm ... #endocrinology ... #Adrenal #Hyperfunction
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... , hypoglycemia Testing ... ACTH) stimulation test ... insufficiency • Low ... #Algorithm #endocrinology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

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

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Diagnosis Adrenal ... specificity for AI (but low ... require Cosyntropin testing ... - Low ACTH is ... #Stimulation #Endocrinology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
between 8 and 9 AM - Low ... aldosterone - Low ... Plasma ACTH - Low ... Evaluation #laboratory #diagnosis ... #testing #endocrinology
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
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Syndrome Definition ... Differential Diagnosis ... Disease-specific testing ... , biopsy By Tess ... #diagnosis #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting ... Hypothyroidism, Low ... Cirrhosis, Nephrotic syndrome ... Hyponatremia #algorithm #diagnosis ... #sodium #low #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
, Congenital adrenal ... consumption • Low ... #Hypokalemia #diagnosis ... differential #potassium #nephrology ... #low
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Cirrhosis, Nephrotic syndrome ... Hypothyroidism, Adrenal ... Primary polydipsia, Low ... Hyponatremia #Algorithm #diagnosis ... #sodium #nephrology